Home / 268,280.52-370,227.02-147,429.60

Finding the Fourth Proportional to 268,280.52, 370,227.02 and 147,429.60

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Solution

The fourth proportional to 268,280.52, 370,227.02 and 147,429.60 is: 203,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,280.52 : 370,227.02 = 147,429.60 : x
  2. Step 2: Convert to fraction form
    268,280.52/370,227.02 = 147,429.60/x
  3. Step 3: Cross multiply
    268,280.52x = 370,227.02 × 147,429.60
  4. Step 4: Simplify right side
    268,280.52x = 54,582,421,467.79
  5. Step 5: Solve for x
    x = 54,582,421,467.79/268,280.52
  6. Step 6: Final answer
    x = 203,452.79

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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.