Home / 283,143.47-424,862.75-114,788.21

Finding the Fourth Proportional to 283,143.47, 424,862.75 and 114,788.21

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Solution

The fourth proportional to 283,143.47, 424,862.75 and 114,788.21 is: 172,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,143.47 : 424,862.75 = 114,788.21 : x
  2. Step 2: Convert to fraction form
    283,143.47/424,862.75 = 114,788.21/x
  3. Step 3: Cross multiply
    283,143.47x = 424,862.75 × 114,788.21
  4. Step 4: Simplify right side
    283,143.47x = 48,769,232,730.83
  5. Step 5: Solve for x
    x = 48,769,232,730.83/283,143.47
  6. Step 6: Final answer
    x = 172,242.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.