Home / 268,135.48-370,030-147,279.56

Finding the Fourth Proportional to 268,135.48, 370,030 and 147,279.56

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Solution

The fourth proportional to 268,135.48, 370,030 and 147,279.56 is: 203,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,135.48 : 370,030 = 147,279.56 : x
  2. Step 2: Convert to fraction form
    268,135.48/370,030 = 147,279.56/x
  3. Step 3: Cross multiply
    268,135.48x = 370,030 × 147,279.56
  4. Step 4: Simplify right side
    268,135.48x = 54,497,855,586.80
  5. Step 5: Solve for x
    x = 54,497,855,586.80/268,135.48
  6. Step 6: Final answer
    x = 203,247.46

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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.