Home / 239,488.19-330,370.02-148,809.70

Finding the Fourth Proportional to 239,488.19, 330,370.02 and 148,809.70

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Solution

The fourth proportional to 239,488.19, 330,370.02 and 148,809.70 is: 205,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,488.19 : 330,370.02 = 148,809.70 : x
  2. Step 2: Convert to fraction form
    239,488.19/330,370.02 = 148,809.70/x
  3. Step 3: Cross multiply
    239,488.19x = 330,370.02 × 148,809.70
  4. Step 4: Simplify right side
    239,488.19x = 49,162,263,978.16
  5. Step 5: Solve for x
    x = 49,162,263,978.16/239,488.19
  6. Step 6: Final answer
    x = 205,280.54

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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.