Home / 215,497.25-297,386.19-124,905.77

Finding the Fourth Proportional to 215,497.25, 297,386.19 and 124,905.77

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Solution

The fourth proportional to 215,497.25, 297,386.19 and 124,905.77 is: 172,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,497.25 : 297,386.19 = 124,905.77 : x
  2. Step 2: Convert to fraction form
    215,497.25/297,386.19 = 124,905.77/x
  3. Step 3: Cross multiply
    215,497.25x = 297,386.19 × 124,905.77
  4. Step 4: Simplify right side
    215,497.25x = 37,145,249,562.39
  5. Step 5: Solve for x
    x = 37,145,249,562.39/215,497.25
  6. Step 6: Final answer
    x = 172,369.95

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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.