Home / 477,917.02-717,000.46-178,400.18

Finding the Fourth Proportional to 477,917.02, 717,000.46 and 178,400.18

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Solution

The fourth proportional to 477,917.02, 717,000.46 and 178,400.18 is: 267,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,917.02 : 717,000.46 = 178,400.18 : x
  2. Step 2: Convert to fraction form
    477,917.02/717,000.46 = 178,400.18/x
  3. Step 3: Cross multiply
    477,917.02x = 717,000.46 × 178,400.18
  4. Step 4: Simplify right side
    477,917.02x = 127,913,011,124.08
  5. Step 5: Solve for x
    x = 127,913,011,124.08/477,917.02
  6. Step 6: Final answer
    x = 267,646.90

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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.