Home / 316,719.81-437,073.89-173,480.13

Finding the Fourth Proportional to 316,719.81, 437,073.89 and 173,480.13

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Solution

The fourth proportional to 316,719.81, 437,073.89 and 173,480.13 is: 239,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,719.81 : 437,073.89 = 173,480.13 : x
  2. Step 2: Convert to fraction form
    316,719.81/437,073.89 = 173,480.13/x
  3. Step 3: Cross multiply
    316,719.81x = 437,073.89 × 173,480.13
  4. Step 4: Simplify right side
    316,719.81x = 75,823,634,389.41
  5. Step 5: Solve for x
    x = 75,823,634,389.41/316,719.81
  6. Step 6: Final answer
    x = 239,402.88

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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.