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Finding the Fourth Proportional to 375,259.95, 517,852.50 and 203,176.53

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Solution

The fourth proportional to 375,259.95, 517,852.50 and 203,176.53 is: 280,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,259.95 : 517,852.50 = 203,176.53 : x
  2. Step 2: Convert to fraction form
    375,259.95/517,852.50 = 203,176.53/x
  3. Step 3: Cross multiply
    375,259.95x = 517,852.50 × 203,176.53
  4. Step 4: Simplify right side
    375,259.95x = 105,215,474,001.83
  5. Step 5: Solve for x
    x = 105,215,474,001.83/375,259.95
  6. Step 6: Final answer
    x = 280,380.24

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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.