Home / 349,319.60-523,979.40-100,001.60

Finding the Fourth Proportional to 349,319.60, 523,979.40 and 100,001.60

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Solution

The fourth proportional to 349,319.60, 523,979.40 and 100,001.60 is: 150,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,319.60 : 523,979.40 = 100,001.60 : x
  2. Step 2: Convert to fraction form
    349,319.60/523,979.40 = 100,001.60/x
  3. Step 3: Cross multiply
    349,319.60x = 523,979.40 × 100,001.60
  4. Step 4: Simplify right side
    349,319.60x = 52,398,778,367.04
  5. Step 5: Solve for x
    x = 52,398,778,367.04/349,319.60
  6. Step 6: Final answer
    x = 150,002.40

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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.