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Finding the Fourth Proportional to 551,353.66, 761,157.03 and 371,013.82

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Solution

The fourth proportional to 551,353.66, 761,157.03 and 371,013.82 is: 512,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,353.66 : 761,157.03 = 371,013.82 : x
  2. Step 2: Convert to fraction form
    551,353.66/761,157.03 = 371,013.82/x
  3. Step 3: Cross multiply
    551,353.66x = 761,157.03 × 371,013.82
  4. Step 4: Simplify right side
    551,353.66x = 282,399,777,320.16
  5. Step 5: Solve for x
    x = 282,399,777,320.16/551,353.66
  6. Step 6: Final answer
    x = 512,193.53

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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.