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Finding the Fourth Proportional to 202,430.60, 303,645.90 and 187,224.20

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Solution

The fourth proportional to 202,430.60, 303,645.90 and 187,224.20 is: 280,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,430.60 : 303,645.90 = 187,224.20 : x
  2. Step 2: Convert to fraction form
    202,430.60/303,645.90 = 187,224.20/x
  3. Step 3: Cross multiply
    202,430.60x = 303,645.90 × 187,224.20
  4. Step 4: Simplify right side
    202,430.60x = 56,849,860,710.78
  5. Step 5: Solve for x
    x = 56,849,860,710.78/202,430.60
  6. Step 6: Final answer
    x = 280,836.30

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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.