Home / 285,386.03-393,832.45-158,061.52

Finding the Fourth Proportional to 285,386.03, 393,832.45 and 158,061.52

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Solution

The fourth proportional to 285,386.03, 393,832.45 and 158,061.52 is: 218,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,386.03 : 393,832.45 = 158,061.52 : x
  2. Step 2: Convert to fraction form
    285,386.03/393,832.45 = 158,061.52/x
  3. Step 3: Cross multiply
    285,386.03x = 393,832.45 × 158,061.52
  4. Step 4: Simplify right side
    285,386.03x = 62,249,754,292.59
  5. Step 5: Solve for x
    x = 62,249,754,292.59/285,386.03
  6. Step 6: Final answer
    x = 218,124.75

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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.