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Finding the Fourth Proportional to 303,353.40, 418,710.96 and 176,070

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Solution

The fourth proportional to 303,353.40, 418,710.96 and 176,070 is: 243,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,353.40 : 418,710.96 = 176,070 : x
  2. Step 2: Convert to fraction form
    303,353.40/418,710.96 = 176,070/x
  3. Step 3: Cross multiply
    303,353.40x = 418,710.96 × 176,070
  4. Step 4: Simplify right side
    303,353.40x = 73,722,438,727.20
  5. Step 5: Solve for x
    x = 73,722,438,727.20/303,353.40
  6. Step 6: Final answer
    x = 243,024.93

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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.