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Finding the Fourth Proportional to 300,303.25, 450,242.25 and 150,436.64

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Solution

The fourth proportional to 300,303.25, 450,242.25 and 150,436.64 is: 225,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,303.25 : 450,242.25 = 150,436.64 : x
  2. Step 2: Convert to fraction form
    300,303.25/450,242.25 = 150,436.64/x
  3. Step 3: Cross multiply
    300,303.25x = 450,242.25 × 150,436.64
  4. Step 4: Simplify right side
    300,303.25x = 67,732,931,837.51
  5. Step 5: Solve for x
    x = 67,732,931,837.51/300,303.25
  6. Step 6: Final answer
    x = 225,548.45

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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.