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Finding the Fourth Proportional to 310,904.35, 466,354.80 and 268,655.96

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Solution

The fourth proportional to 310,904.35, 466,354.80 and 268,655.96 is: 402,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,904.35 : 466,354.80 = 268,655.96 : x
  2. Step 2: Convert to fraction form
    310,904.35/466,354.80 = 268,655.96/x
  3. Step 3: Cross multiply
    310,904.35x = 466,354.80 × 268,655.96
  4. Step 4: Simplify right side
    310,904.35x = 125,288,997,660.50
  5. Step 5: Solve for x
    x = 125,288,997,660.50/310,904.35
  6. Step 6: Final answer
    x = 402,982.46

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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.