Home / 317,090.40-437,575.28-173,845.55

Finding the Fourth Proportional to 317,090.40, 437,575.28 and 173,845.55

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Solution

The fourth proportional to 317,090.40, 437,575.28 and 173,845.55 is: 239,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,090.40 : 437,575.28 = 173,845.55 : x
  2. Step 2: Convert to fraction form
    317,090.40/437,575.28 = 173,845.55/x
  3. Step 3: Cross multiply
    317,090.40x = 437,575.28 × 173,845.55
  4. Step 4: Simplify right side
    317,090.40x = 76,070,512,160.90
  5. Step 5: Solve for x
    x = 76,070,512,160.90/317,090.40
  6. Step 6: Final answer
    x = 239,901.66

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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.