Home / 279,816.92-386,146.68-152,492.18

Finding the Fourth Proportional to 279,816.92, 386,146.68 and 152,492.18

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Solution

The fourth proportional to 279,816.92, 386,146.68 and 152,492.18 is: 210,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,816.92 : 386,146.68 = 152,492.18 : x
  2. Step 2: Convert to fraction form
    279,816.92/386,146.68 = 152,492.18/x
  3. Step 3: Cross multiply
    279,816.92x = 386,146.68 × 152,492.18
  4. Step 4: Simplify right side
    279,816.92x = 58,884,349,032.96
  5. Step 5: Solve for x
    x = 58,884,349,032.96/279,816.92
  6. Step 6: Final answer
    x = 210,438.84

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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.