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Finding the Fourth Proportional to 257,038.93, 385,484.41 and 88,552.45

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Solution

The fourth proportional to 257,038.93, 385,484.41 and 88,552.45 is: 132,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,038.93 : 385,484.41 = 88,552.45 : x
  2. Step 2: Convert to fraction form
    257,038.93/385,484.41 = 88,552.45/x
  3. Step 3: Cross multiply
    257,038.93x = 385,484.41 × 88,552.45
  4. Step 4: Simplify right side
    257,038.93x = 34,135,588,942.30
  5. Step 5: Solve for x
    x = 34,135,588,942.30/257,038.93
  6. Step 6: Final answer
    x = 132,803.19

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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.