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Finding the Fourth Proportional to 418,949.68, 578,157.48 and 227,964.04

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Solution

The fourth proportional to 418,949.68, 578,157.48 and 227,964.04 is: 314,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,949.68 : 578,157.48 = 227,964.04 : x
  2. Step 2: Convert to fraction form
    418,949.68/578,157.48 = 227,964.04/x
  3. Step 3: Cross multiply
    418,949.68x = 578,157.48 × 227,964.04
  4. Step 4: Simplify right side
    418,949.68x = 131,799,114,897.02
  5. Step 5: Solve for x
    x = 131,799,114,897.02/418,949.68
  6. Step 6: Final answer
    x = 314,594.14

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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.