Home / 268,279.65-370,218.18-151,982.28

Finding the Fourth Proportional to 268,279.65, 370,218.18 and 151,982.28

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Solution

The fourth proportional to 268,279.65, 370,218.18 and 151,982.28 is: 209,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,279.65 : 370,218.18 = 151,982.28 : x
  2. Step 2: Convert to fraction form
    268,279.65/370,218.18 = 151,982.28/x
  3. Step 3: Cross multiply
    268,279.65x = 370,218.18 × 151,982.28
  4. Step 4: Simplify right side
    268,279.65x = 56,266,603,093.85
  5. Step 5: Solve for x
    x = 56,266,603,093.85/268,279.65
  6. Step 6: Final answer
    x = 209,731.16

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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.