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Finding the Fourth Proportional to 451,791.51, 677,686.19 and 249,377.91

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Solution

The fourth proportional to 451,791.51, 677,686.19 and 249,377.91 is: 374,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,791.51 : 677,686.19 = 249,377.91 : x
  2. Step 2: Convert to fraction form
    451,791.51/677,686.19 = 249,377.91/x
  3. Step 3: Cross multiply
    451,791.51x = 677,686.19 × 249,377.91
  4. Step 4: Simplify right side
    451,791.51x = 168,999,964,451.17
  5. Step 5: Solve for x
    x = 168,999,964,451.17/451,791.51
  6. Step 6: Final answer
    x = 374,066.27

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Similar ratio
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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.