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Finding the Fourth Proportional to 178,903.44, 268,389.18 and 60,543

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Solution

The fourth proportional to 178,903.44, 268,389.18 and 60,543 is: 90,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,903.44 : 268,389.18 = 60,543 : x
  2. Step 2: Convert to fraction form
    178,903.44/268,389.18 = 60,543/x
  3. Step 3: Cross multiply
    178,903.44x = 268,389.18 × 60,543
  4. Step 4: Simplify right side
    178,903.44x = 16,249,086,124.74
  5. Step 5: Solve for x
    x = 16,249,086,124.74/178,903.44
  6. Step 6: Final answer
    x = 90,826.01

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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.