Home / 514,245.76-771,345.60-140,267.52

Finding the Fourth Proportional to 514,245.76, 771,345.60 and 140,267.52

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Solution

The fourth proportional to 514,245.76, 771,345.60 and 140,267.52 is: 210,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,245.76 : 771,345.60 = 140,267.52 : x
  2. Step 2: Convert to fraction form
    514,245.76/771,345.60 = 140,267.52/x
  3. Step 3: Cross multiply
    514,245.76x = 771,345.60 × 140,267.52
  4. Step 4: Simplify right side
    514,245.76x = 108,194,734,374.91
  5. Step 5: Solve for x
    x = 108,194,734,374.91/514,245.76
  6. Step 6: Final answer
    x = 210,395.00

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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.