Home / 317,156.30-437,252.28-251,961.44

Finding the Fourth Proportional to 317,156.30, 437,252.28 and 251,961.44

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Solution

The fourth proportional to 317,156.30, 437,252.28 and 251,961.44 is: 347,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,156.30 : 437,252.28 = 251,961.44 : x
  2. Step 2: Convert to fraction form
    317,156.30/437,252.28 = 251,961.44/x
  3. Step 3: Cross multiply
    317,156.30x = 437,252.28 × 251,961.44
  4. Step 4: Simplify right side
    317,156.30x = 110,170,711,925.82
  5. Step 5: Solve for x
    x = 110,170,711,925.82/317,156.30
  6. Step 6: Final answer
    x = 347,370.41

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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.