Home / 352,947.84-529,527.36-128,304

Finding the Fourth Proportional to 352,947.84, 529,527.36 and 128,304

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Solution

The fourth proportional to 352,947.84, 529,527.36 and 128,304 is: 192,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,947.84 : 529,527.36 = 128,304 : x
  2. Step 2: Convert to fraction form
    352,947.84/529,527.36 = 128,304/x
  3. Step 3: Cross multiply
    352,947.84x = 529,527.36 × 128,304
  4. Step 4: Simplify right side
    352,947.84x = 67,940,478,397.44
  5. Step 5: Solve for x
    x = 67,940,478,397.44/352,947.84
  6. Step 6: Final answer
    x = 192,494.39

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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.