Home / 439,345.48-606,277.52-258,076

Finding the Fourth Proportional to 439,345.48, 606,277.52 and 258,076

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Solution

The fourth proportional to 439,345.48, 606,277.52 and 258,076 is: 356,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,345.48 : 606,277.52 = 258,076 : x
  2. Step 2: Convert to fraction form
    439,345.48/606,277.52 = 258,076/x
  3. Step 3: Cross multiply
    439,345.48x = 606,277.52 × 258,076
  4. Step 4: Simplify right side
    439,345.48x = 156,465,677,251.52
  5. Step 5: Solve for x
    x = 156,465,677,251.52/439,345.48
  6. Step 6: Final answer
    x = 356,133.58

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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.