Home / 282,829.26-390,304.92-155,504.89

Finding the Fourth Proportional to 282,829.26, 390,304.92 and 155,504.89

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Solution

The fourth proportional to 282,829.26, 390,304.92 and 155,504.89 is: 214,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,829.26 : 390,304.92 = 155,504.89 : x
  2. Step 2: Convert to fraction form
    282,829.26/390,304.92 = 155,504.89/x
  3. Step 3: Cross multiply
    282,829.26x = 390,304.92 × 155,504.89
  4. Step 4: Simplify right side
    282,829.26x = 60,694,323,651.06
  5. Step 5: Solve for x
    x = 60,694,323,651.06/282,829.26
  6. Step 6: Final answer
    x = 214,597.05

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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.