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Finding the Fourth Proportional to 240,602.10, 360,903.15 and 146,123.70

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Solution

The fourth proportional to 240,602.10, 360,903.15 and 146,123.70 is: 219,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,602.10 : 360,903.15 = 146,123.70 : x
  2. Step 2: Convert to fraction form
    240,602.10/360,903.15 = 146,123.70/x
  3. Step 3: Cross multiply
    240,602.10x = 360,903.15 × 146,123.70
  4. Step 4: Simplify right side
    240,602.10x = 52,736,503,619.66
  5. Step 5: Solve for x
    x = 52,736,503,619.66/240,602.10
  6. Step 6: Final answer
    x = 219,185.55

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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.