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Finding the Fourth Proportional to 303,598.08, 418,959.36 and 169,459.20

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Solution

The fourth proportional to 303,598.08, 418,959.36 and 169,459.20 is: 233,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,598.08 : 418,959.36 = 169,459.20 : x
  2. Step 2: Convert to fraction form
    303,598.08/418,959.36 = 169,459.20/x
  3. Step 3: Cross multiply
    303,598.08x = 418,959.36 × 169,459.20
  4. Step 4: Simplify right side
    303,598.08x = 70,996,517,978.11
  5. Step 5: Solve for x
    x = 70,996,517,978.11/303,598.08
  6. Step 6: Final answer
    x = 233,850.35

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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.