Home / 245,586.02-368,520.24-103,420.09

Finding the Fourth Proportional to 245,586.02, 368,520.24 and 103,420.09

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Solution

The fourth proportional to 245,586.02, 368,520.24 and 103,420.09 is: 155,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,586.02 : 368,520.24 = 103,420.09 : x
  2. Step 2: Convert to fraction form
    245,586.02/368,520.24 = 103,420.09/x
  3. Step 3: Cross multiply
    245,586.02x = 368,520.24 × 103,420.09
  4. Step 4: Simplify right side
    245,586.02x = 38,112,396,387.62
  5. Step 5: Solve for x
    x = 38,112,396,387.62/245,586.02
  6. Step 6: Final answer
    x = 155,189.60

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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.