Home / 615,957.24-923,961.78-211,428.12

Finding the Fourth Proportional to 615,957.24, 923,961.78 and 211,428.12

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Solution

The fourth proportional to 615,957.24, 923,961.78 and 211,428.12 is: 317,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,957.24 : 923,961.78 = 211,428.12 : x
  2. Step 2: Convert to fraction form
    615,957.24/923,961.78 = 211,428.12/x
  3. Step 3: Cross multiply
    615,957.24x = 923,961.78 × 211,428.12
  4. Step 4: Simplify right side
    615,957.24x = 195,351,502,097.25
  5. Step 5: Solve for x
    x = 195,351,502,097.25/615,957.24
  6. Step 6: Final answer
    x = 317,151.08

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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.