Home / 285,253.68-427,970.04-171,532.38

Finding the Fourth Proportional to 285,253.68, 427,970.04 and 171,532.38

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Solution

The fourth proportional to 285,253.68, 427,970.04 and 171,532.38 is: 257,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,253.68 : 427,970.04 = 171,532.38 : x
  2. Step 2: Convert to fraction form
    285,253.68/427,970.04 = 171,532.38/x
  3. Step 3: Cross multiply
    285,253.68x = 427,970.04 × 171,532.38
  4. Step 4: Simplify right side
    285,253.68x = 73,410,719,529.90
  5. Step 5: Solve for x
    x = 73,410,719,529.90/285,253.68
  6. Step 6: Final answer
    x = 257,352.40

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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.