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Finding the Fourth Proportional to 601,247.80, 901,871.70 and 201,901.60

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Solution

The fourth proportional to 601,247.80, 901,871.70 and 201,901.60 is: 302,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,247.80 : 901,871.70 = 201,901.60 : x
  2. Step 2: Convert to fraction form
    601,247.80/901,871.70 = 201,901.60/x
  3. Step 3: Cross multiply
    601,247.80x = 901,871.70 × 201,901.60
  4. Step 4: Simplify right side
    601,247.80x = 182,089,339,224.72
  5. Step 5: Solve for x
    x = 182,089,339,224.72/601,247.80
  6. Step 6: Final answer
    x = 302,852.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.