Home / 485,214.47-669,587.04-270,349.91

Finding the Fourth Proportional to 485,214.47, 669,587.04 and 270,349.91

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Solution

The fourth proportional to 485,214.47, 669,587.04 and 270,349.91 is: 373,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,214.47 : 669,587.04 = 270,349.91 : x
  2. Step 2: Convert to fraction form
    485,214.47/669,587.04 = 270,349.91/x
  3. Step 3: Cross multiply
    485,214.47x = 669,587.04 × 270,349.91
  4. Step 4: Simplify right side
    485,214.47x = 181,022,796,001.17
  5. Step 5: Solve for x
    x = 181,022,796,001.17/485,214.47
  6. Step 6: Final answer
    x = 373,077.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.