Home / 316,132.13-436,129.92-207,262.60

Finding the Fourth Proportional to 316,132.13, 436,129.92 and 207,262.60

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Solution

The fourth proportional to 316,132.13, 436,129.92 and 207,262.60 is: 285,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,132.13 : 436,129.92 = 207,262.60 : x
  2. Step 2: Convert to fraction form
    316,132.13/436,129.92 = 207,262.60/x
  3. Step 3: Cross multiply
    316,132.13x = 436,129.92 × 207,262.60
  4. Step 4: Simplify right side
    316,132.13x = 90,393,420,066.67
  5. Step 5: Solve for x
    x = 90,393,420,066.67/316,132.13
  6. Step 6: Final answer
    x = 285,935.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.