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Finding the Fourth Proportional to 403,024.86, 555,859.48 and 249,977.23

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Solution

The fourth proportional to 403,024.86, 555,859.48 and 249,977.23 is: 344,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,024.86 : 555,859.48 = 249,977.23 : x
  2. Step 2: Convert to fraction form
    403,024.86/555,859.48 = 249,977.23/x
  3. Step 3: Cross multiply
    403,024.86x = 555,859.48 × 249,977.23
  4. Step 4: Simplify right side
    403,024.86x = 138,952,215,363.53
  5. Step 5: Solve for x
    x = 138,952,215,363.53/403,024.86
  6. Step 6: Final answer
    x = 344,773.31

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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.