Home / 402,345.24-555,005.52-251,179.80

Finding the Fourth Proportional to 402,345.24, 555,005.52 and 251,179.80

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Solution

The fourth proportional to 402,345.24, 555,005.52 and 251,179.80 is: 346,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,345.24 : 555,005.52 = 251,179.80 : x
  2. Step 2: Convert to fraction form
    402,345.24/555,005.52 = 251,179.80/x
  3. Step 3: Cross multiply
    402,345.24x = 555,005.52 × 251,179.80
  4. Step 4: Simplify right side
    402,345.24x = 139,406,175,512.50
  5. Step 5: Solve for x
    x = 139,406,175,512.50/402,345.24
  6. Step 6: Final answer
    x = 346,483.97

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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.