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Finding the Fourth Proportional to 315,526.32, 435,464.64 and 179,593.74

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Solution

The fourth proportional to 315,526.32, 435,464.64 and 179,593.74 is: 247,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,526.32 : 435,464.64 = 179,593.74 : x
  2. Step 2: Convert to fraction form
    315,526.32/435,464.64 = 179,593.74/x
  3. Step 3: Cross multiply
    315,526.32x = 435,464.64 × 179,593.74
  4. Step 4: Simplify right side
    315,526.32x = 78,206,723,335.35
  5. Step 5: Solve for x
    x = 78,206,723,335.35/315,526.32
  6. Step 6: Final answer
    x = 247,861.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.