Home / 283,127.90-424,694.01-103,342.19

Finding the Fourth Proportional to 283,127.90, 424,694.01 and 103,342.19

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Solution

The fourth proportional to 283,127.90, 424,694.01 and 103,342.19 is: 155,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,127.90 : 424,694.01 = 103,342.19 : x
  2. Step 2: Convert to fraction form
    283,127.90/424,694.01 = 103,342.19/x
  3. Step 3: Cross multiply
    283,127.90x = 424,694.01 × 103,342.19
  4. Step 4: Simplify right side
    283,127.90x = 43,888,809,073.28
  5. Step 5: Solve for x
    x = 43,888,809,073.28/283,127.90
  6. Step 6: Final answer
    x = 155,014.07

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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.