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Finding the Fourth Proportional to 373,220.97, 514,999.77 and 212,030.87

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Solution

The fourth proportional to 373,220.97, 514,999.77 and 212,030.87 is: 292,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,220.97 : 514,999.77 = 212,030.87 : x
  2. Step 2: Convert to fraction form
    373,220.97/514,999.77 = 212,030.87/x
  3. Step 3: Cross multiply
    373,220.97x = 514,999.77 × 212,030.87
  4. Step 4: Simplify right side
    373,220.97x = 109,195,847,105.46
  5. Step 5: Solve for x
    x = 109,195,847,105.46/373,220.97
  6. Step 6: Final answer
    x = 292,576.94

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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.