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Finding the Fourth Proportional to 338,312.59, 466,871.20 and 185,360.49

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Solution

The fourth proportional to 338,312.59, 466,871.20 and 185,360.49 is: 255,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,312.59 : 466,871.20 = 185,360.49 : x
  2. Step 2: Convert to fraction form
    338,312.59/466,871.20 = 185,360.49/x
  3. Step 3: Cross multiply
    338,312.59x = 466,871.20 × 185,360.49
  4. Step 4: Simplify right side
    338,312.59x = 86,539,474,398.89
  5. Step 5: Solve for x
    x = 86,539,474,398.89/338,312.59
  6. Step 6: Final answer
    x = 255,797.38

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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.