Home / 302,948.16-418,086.72-166,981.92

Finding the Fourth Proportional to 302,948.16, 418,086.72 and 166,981.92

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Solution

The fourth proportional to 302,948.16, 418,086.72 and 166,981.92 is: 230,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,948.16 : 418,086.72 = 166,981.92 : x
  2. Step 2: Convert to fraction form
    302,948.16/418,086.72 = 166,981.92/x
  3. Step 3: Cross multiply
    302,948.16x = 418,086.72 × 166,981.92
  4. Step 4: Simplify right side
    302,948.16x = 69,812,923,232.10
  5. Step 5: Solve for x
    x = 69,812,923,232.10/302,948.16
  6. Step 6: Final answer
    x = 230,445.11

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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.