Home / 282,500.04-389,839.59-155,168.04

Finding the Fourth Proportional to 282,500.04, 389,839.59 and 155,168.04

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Solution

The fourth proportional to 282,500.04, 389,839.59 and 155,168.04 is: 214,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,500.04 : 389,839.59 = 155,168.04 : x
  2. Step 2: Convert to fraction form
    282,500.04/389,839.59 = 155,168.04/x
  3. Step 3: Cross multiply
    282,500.04x = 389,839.59 × 155,168.04
  4. Step 4: Simplify right side
    282,500.04x = 60,490,645,094.70
  5. Step 5: Solve for x
    x = 60,490,645,094.70/282,500.04
  6. Step 6: Final answer
    x = 214,126.15

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1.5x scale

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.