Home / 316,981.42-437,445.57-173,741.43

Finding the Fourth Proportional to 316,981.42, 437,445.57 and 173,741.43

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Solution

The fourth proportional to 316,981.42, 437,445.57 and 173,741.43 is: 239,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,981.42 : 437,445.57 = 173,741.43 : x
  2. Step 2: Convert to fraction form
    316,981.42/437,445.57 = 173,741.43/x
  3. Step 3: Cross multiply
    316,981.42x = 437,445.57 × 173,741.43
  4. Step 4: Simplify right side
    316,981.42x = 76,002,418,878.97
  5. Step 5: Solve for x
    x = 76,002,418,878.97/316,981.42
  6. Step 6: Final answer
    x = 239,769.32

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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.