Home / 442,029.20-609,979.08-251,017.36

Finding the Fourth Proportional to 442,029.20, 609,979.08 and 251,017.36

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Solution

The fourth proportional to 442,029.20, 609,979.08 and 251,017.36 is: 346,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,029.20 : 609,979.08 = 251,017.36 : x
  2. Step 2: Convert to fraction form
    442,029.20/609,979.08 = 251,017.36/x
  3. Step 3: Cross multiply
    442,029.20x = 609,979.08 × 251,017.36
  4. Step 4: Simplify right side
    442,029.20x = 153,115,338,316.83
  5. Step 5: Solve for x
    x = 153,115,338,316.83/442,029.20
  6. Step 6: Final answer
    x = 346,391.91

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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.