Home / 316,905.35-437,332.82-173,662.31

Finding the Fourth Proportional to 316,905.35, 437,332.82 and 173,662.31

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Solution

The fourth proportional to 316,905.35, 437,332.82 and 173,662.31 is: 239,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,905.35 : 437,332.82 = 173,662.31 : x
  2. Step 2: Convert to fraction form
    316,905.35/437,332.82 = 173,662.31/x
  3. Step 3: Cross multiply
    316,905.35x = 437,332.82 × 173,662.31
  4. Step 4: Simplify right side
    316,905.35x = 75,948,228,961.89
  5. Step 5: Solve for x
    x = 75,948,228,961.89/316,905.35
  6. Step 6: Final answer
    x = 239,655.88

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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.