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Finding the Fourth Proportional to 342,897.34, 514,158.52 and 272,273.64

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Solution

The fourth proportional to 342,897.34, 514,158.52 and 272,273.64 is: 408,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,897.34 : 514,158.52 = 272,273.64 : x
  2. Step 2: Convert to fraction form
    342,897.34/514,158.52 = 272,273.64/x
  3. Step 3: Cross multiply
    342,897.34x = 514,158.52 × 272,273.64
  4. Step 4: Simplify right side
    342,897.34x = 139,991,811,777.41
  5. Step 5: Solve for x
    x = 139,991,811,777.41/342,897.34
  6. Step 6: Final answer
    x = 408,261.59

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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.