Home / 514,312.20-771,468.30-140,335.20

Finding the Fourth Proportional to 514,312.20, 771,468.30 and 140,335.20

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Solution

The fourth proportional to 514,312.20, 771,468.30 and 140,335.20 is: 210,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,312.20 : 771,468.30 = 140,335.20 : x
  2. Step 2: Convert to fraction form
    514,312.20/771,468.30 = 140,335.20/x
  3. Step 3: Cross multiply
    514,312.20x = 771,468.30 × 140,335.20
  4. Step 4: Simplify right side
    514,312.20x = 108,264,158,174.16
  5. Step 5: Solve for x
    x = 108,264,158,174.16/514,312.20
  6. Step 6: Final answer
    x = 210,502.80

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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.