Home / 275,124.24-379,510.23-172,987.83

Finding the Fourth Proportional to 275,124.24, 379,510.23 and 172,987.83

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Solution

The fourth proportional to 275,124.24, 379,510.23 and 172,987.83 is: 238,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,124.24 : 379,510.23 = 172,987.83 : x
  2. Step 2: Convert to fraction form
    275,124.24/379,510.23 = 172,987.83/x
  3. Step 3: Cross multiply
    275,124.24x = 379,510.23 × 172,987.83
  4. Step 4: Simplify right side
    275,124.24x = 65,650,651,150.50
  5. Step 5: Solve for x
    x = 65,650,651,150.50/275,124.24
  6. Step 6: Final answer
    x = 238,621.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.