Home / 257,540.02-386,250.99-70,566.10

Finding the Fourth Proportional to 257,540.02, 386,250.99 and 70,566.10

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Solution

The fourth proportional to 257,540.02, 386,250.99 and 70,566.10 is: 105,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,540.02 : 386,250.99 = 70,566.10 : x
  2. Step 2: Convert to fraction form
    257,540.02/386,250.99 = 70,566.10/x
  3. Step 3: Cross multiply
    257,540.02x = 386,250.99 × 70,566.10
  4. Step 4: Simplify right side
    257,540.02x = 27,256,225,985.44
  5. Step 5: Solve for x
    x = 27,256,225,985.44/257,540.02
  6. Step 6: Final answer
    x = 105,832.97

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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.