Home / 282,439.54-423,659.07-72,077.48

Finding the Fourth Proportional to 282,439.54, 423,659.07 and 72,077.48

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Solution

The fourth proportional to 282,439.54, 423,659.07 and 72,077.48 is: 108,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,439.54 : 423,659.07 = 72,077.48 : x
  2. Step 2: Convert to fraction form
    282,439.54/423,659.07 = 72,077.48/x
  3. Step 3: Cross multiply
    282,439.54x = 423,659.07 × 72,077.48
  4. Step 4: Simplify right side
    282,439.54x = 30,536,278,144.74
  5. Step 5: Solve for x
    x = 30,536,278,144.74/282,439.54
  6. Step 6: Final answer
    x = 108,116.16

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1.5x scale

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.