Home / 260,257.02-390,424.41-82,769.82

Finding the Fourth Proportional to 260,257.02, 390,424.41 and 82,769.82

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Solution

The fourth proportional to 260,257.02, 390,424.41 and 82,769.82 is: 124,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,257.02 : 390,424.41 = 82,769.82 : x
  2. Step 2: Convert to fraction form
    260,257.02/390,424.41 = 82,769.82/x
  3. Step 3: Cross multiply
    260,257.02x = 390,424.41 × 82,769.82
  4. Step 4: Simplify right side
    260,257.02x = 32,315,358,139.31
  5. Step 5: Solve for x
    x = 32,315,358,139.31/260,257.02
  6. Step 6: Final answer
    x = 124,167.10

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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.