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Finding the Fourth Proportional to 560,014.64, 840,006.84 and 180,934.64

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Solution

The fourth proportional to 560,014.64, 840,006.84 and 180,934.64 is: 271,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,014.64 : 840,006.84 = 180,934.64 : x
  2. Step 2: Convert to fraction form
    560,014.64/840,006.84 = 180,934.64/x
  3. Step 3: Cross multiply
    560,014.64x = 840,006.84 × 180,934.64
  4. Step 4: Simplify right side
    560,014.64x = 151,986,335,192.94
  5. Step 5: Solve for x
    x = 151,986,335,192.94/560,014.64
  6. Step 6: Final answer
    x = 271,397.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.