Home / 282,440.04-389,770.33-155,115.63

Finding the Fourth Proportional to 282,440.04, 389,770.33 and 155,115.63

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Solution

The fourth proportional to 282,440.04, 389,770.33 and 155,115.63 is: 214,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,440.04 : 389,770.33 = 155,115.63 : x
  2. Step 2: Convert to fraction form
    282,440.04/389,770.33 = 155,115.63/x
  3. Step 3: Cross multiply
    282,440.04x = 389,770.33 × 155,115.63
  4. Step 4: Simplify right side
    282,440.04x = 60,459,471,292.54
  5. Step 5: Solve for x
    x = 60,459,471,292.54/282,440.04
  6. Step 6: Final answer
    x = 214,061.26

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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.