Home / 645,155.20-967,502.40-224,444.80

Finding the Fourth Proportional to 645,155.20, 967,502.40 and 224,444.80

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Solution

The fourth proportional to 645,155.20, 967,502.40 and 224,444.80 is: 336,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,155.20 : 967,502.40 = 224,444.80 : x
  2. Step 2: Convert to fraction form
    645,155.20/967,502.40 = 224,444.80/x
  3. Step 3: Cross multiply
    645,155.20x = 967,502.40 × 224,444.80
  4. Step 4: Simplify right side
    645,155.20x = 217,150,882,667.52
  5. Step 5: Solve for x
    x = 217,150,882,667.52/645,155.20
  6. Step 6: Final answer
    x = 336,587.05

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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.