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Finding the Fourth Proportional to 201,317.10, 302,012.10 and 101,225.40

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Solution

The fourth proportional to 201,317.10, 302,012.10 and 101,225.40 is: 151,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,317.10 : 302,012.10 = 101,225.40 : x
  2. Step 2: Convert to fraction form
    201,317.10/302,012.10 = 101,225.40/x
  3. Step 3: Cross multiply
    201,317.10x = 302,012.10 × 101,225.40
  4. Step 4: Simplify right side
    201,317.10x = 30,571,295,627.34
  5. Step 5: Solve for x
    x = 30,571,295,627.34/201,317.10
  6. Step 6: Final answer
    x = 151,856.43

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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.