Home / 316,903.47-437,327.09-173,663.83

Finding the Fourth Proportional to 316,903.47, 437,327.09 and 173,663.83

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Solution

The fourth proportional to 316,903.47, 437,327.09 and 173,663.83 is: 239,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,903.47 : 437,327.09 = 173,663.83 : x
  2. Step 2: Convert to fraction form
    316,903.47/437,327.09 = 173,663.83/x
  3. Step 3: Cross multiply
    316,903.47x = 437,327.09 × 173,663.83
  4. Step 4: Simplify right side
    316,903.47x = 75,947,897,412.15
  5. Step 5: Solve for x
    x = 75,947,897,412.15/316,903.47
  6. Step 6: Final answer
    x = 239,656.25

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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.