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Finding the Fourth Proportional to 352,154.40, 527,648.40 and 299,666.40

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Solution

The fourth proportional to 352,154.40, 527,648.40 and 299,666.40 is: 449,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,154.40 : 527,648.40 = 299,666.40 : x
  2. Step 2: Convert to fraction form
    352,154.40/527,648.40 = 299,666.40/x
  3. Step 3: Cross multiply
    352,154.40x = 527,648.40 × 299,666.40
  4. Step 4: Simplify right side
    352,154.40x = 158,118,496,493.76
  5. Step 5: Solve for x
    x = 158,118,496,493.76/352,154.40
  6. Step 6: Final answer
    x = 449,003.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.