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Finding the Fourth Proportional to 302,882.57, 417,979.59 and 173,810.76

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Solution

The fourth proportional to 302,882.57, 417,979.59 and 173,810.76 is: 239,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,882.57 : 417,979.59 = 173,810.76 : x
  2. Step 2: Convert to fraction form
    302,882.57/417,979.59 = 173,810.76/x
  3. Step 3: Cross multiply
    302,882.57x = 417,979.59 × 173,810.76
  4. Step 4: Simplify right side
    302,882.57x = 72,649,351,643.72
  5. Step 5: Solve for x
    x = 72,649,351,643.72/302,882.57
  6. Step 6: Final answer
    x = 239,859.80

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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.