Home / 410,221.23-615,404.07-140,285.90

Finding the Fourth Proportional to 410,221.23, 615,404.07 and 140,285.90

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Solution

The fourth proportional to 410,221.23, 615,404.07 and 140,285.90 is: 210,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,221.23 : 615,404.07 = 140,285.90 : x
  2. Step 2: Convert to fraction form
    410,221.23/615,404.07 = 140,285.90/x
  3. Step 3: Cross multiply
    410,221.23x = 615,404.07 × 140,285.90
  4. Step 4: Simplify right side
    410,221.23x = 86,332,510,746.59
  5. Step 5: Solve for x
    x = 86,332,510,746.59/410,221.23
  6. Step 6: Final answer
    x = 210,453.54

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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.