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Finding the Fourth Proportional to 228,041.71, 342,118.31 and 160,705.11

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Solution

The fourth proportional to 228,041.71, 342,118.31 and 160,705.11 is: 241,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,041.71 : 342,118.31 = 160,705.11 : x
  2. Step 2: Convert to fraction form
    228,041.71/342,118.31 = 160,705.11/x
  3. Step 3: Cross multiply
    228,041.71x = 342,118.31 × 160,705.11
  4. Step 4: Simplify right side
    228,041.71x = 54,980,160,641.56
  5. Step 5: Solve for x
    x = 54,980,160,641.56/228,041.71
  6. Step 6: Final answer
    x = 241,096.95

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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.