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Finding the Fourth Proportional to 230,114.71, 317,560.67 and 134,602.75

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Solution

The fourth proportional to 230,114.71, 317,560.67 and 134,602.75 is: 185,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,114.71 : 317,560.67 = 134,602.75 : x
  2. Step 2: Convert to fraction form
    230,114.71/317,560.67 = 134,602.75/x
  3. Step 3: Cross multiply
    230,114.71x = 317,560.67 × 134,602.75
  4. Step 4: Simplify right side
    230,114.71x = 42,744,539,473.84
  5. Step 5: Solve for x
    x = 42,744,539,473.84/230,114.71
  6. Step 6: Final answer
    x = 185,753.18

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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.