Home / 410,853.80-616,280.70-144,612.20

Finding the Fourth Proportional to 410,853.80, 616,280.70 and 144,612.20

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Solution

The fourth proportional to 410,853.80, 616,280.70 and 144,612.20 is: 216,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,853.80 : 616,280.70 = 144,612.20 : x
  2. Step 2: Convert to fraction form
    410,853.80/616,280.70 = 144,612.20/x
  3. Step 3: Cross multiply
    410,853.80x = 616,280.70 × 144,612.20
  4. Step 4: Simplify right side
    410,853.80x = 89,121,707,844.54
  5. Step 5: Solve for x
    x = 89,121,707,844.54/410,853.80
  6. Step 6: Final answer
    x = 216,918.30

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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.