Home / 345,101.76-517,284-246,306.24

Finding the Fourth Proportional to 345,101.76, 517,284 and 246,306.24

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Solution

The fourth proportional to 345,101.76, 517,284 and 246,306.24 is: 369,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,101.76 : 517,284 = 246,306.24 : x
  2. Step 2: Convert to fraction form
    345,101.76/517,284 = 246,306.24/x
  3. Step 3: Cross multiply
    345,101.76x = 517,284 × 246,306.24
  4. Step 4: Simplify right side
    345,101.76x = 127,410,277,052.16
  5. Step 5: Solve for x
    x = 127,410,277,052.16/345,101.76
  6. Step 6: Final answer
    x = 369,196.25

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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.