Home / 312,321.04-431,006.48-169,084.15

Finding the Fourth Proportional to 312,321.04, 431,006.48 and 169,084.15

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Solution

The fourth proportional to 312,321.04, 431,006.48 and 169,084.15 is: 233,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,321.04 : 431,006.48 = 169,084.15 : x
  2. Step 2: Convert to fraction form
    312,321.04/431,006.48 = 169,084.15/x
  3. Step 3: Cross multiply
    312,321.04x = 431,006.48 × 169,084.15
  4. Step 4: Simplify right side
    312,321.04x = 72,876,364,315.29
  5. Step 5: Solve for x
    x = 72,876,364,315.29/312,321.04
  6. Step 6: Final answer
    x = 233,337.99

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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.