Home / 514,064.28-771,280.90-229,731.02

Finding the Fourth Proportional to 514,064.28, 771,280.90 and 229,731.02

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Solution

The fourth proportional to 514,064.28, 771,280.90 and 229,731.02 is: 344,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,064.28 : 771,280.90 = 229,731.02 : x
  2. Step 2: Convert to fraction form
    514,064.28/771,280.90 = 229,731.02/x
  3. Step 3: Cross multiply
    514,064.28x = 771,280.90 × 229,731.02
  4. Step 4: Simplify right side
    514,064.28x = 177,187,143,432.79
  5. Step 5: Solve for x
    x = 177,187,143,432.79/514,064.28
  6. Step 6: Final answer
    x = 344,678.96

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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.