Home / 485,341.04-727,541.35-185,590.82

Finding the Fourth Proportional to 485,341.04, 727,541.35 and 185,590.82

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Solution

The fourth proportional to 485,341.04, 727,541.35 and 185,590.82 is: 278,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,341.04 : 727,541.35 = 185,590.82 : x
  2. Step 2: Convert to fraction form
    485,341.04/727,541.35 = 185,590.82/x
  3. Step 3: Cross multiply
    485,341.04x = 727,541.35 × 185,590.82
  4. Step 4: Simplify right side
    485,341.04x = 135,024,995,730.41
  5. Step 5: Solve for x
    x = 135,024,995,730.41/485,341.04
  6. Step 6: Final answer
    x = 278,206.43

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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.