Home / 257,056.20-385,584.30-162,577.80

Finding the Fourth Proportional to 257,056.20, 385,584.30 and 162,577.80

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Solution

The fourth proportional to 257,056.20, 385,584.30 and 162,577.80 is: 243,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,056.20 : 385,584.30 = 162,577.80 : x
  2. Step 2: Convert to fraction form
    257,056.20/385,584.30 = 162,577.80/x
  3. Step 3: Cross multiply
    257,056.20x = 385,584.30 × 162,577.80
  4. Step 4: Simplify right side
    257,056.20x = 62,687,447,208.54
  5. Step 5: Solve for x
    x = 62,687,447,208.54/257,056.20
  6. Step 6: Final answer
    x = 243,866.70

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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.