Home / 348,096.30-521,107.65-207,782.70

Finding the Fourth Proportional to 348,096.30, 521,107.65 and 207,782.70

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Solution

The fourth proportional to 348,096.30, 521,107.65 and 207,782.70 is: 311,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,096.30 : 521,107.65 = 207,782.70 : x
  2. Step 2: Convert to fraction form
    348,096.30/521,107.65 = 207,782.70/x
  3. Step 3: Cross multiply
    348,096.30x = 521,107.65 × 207,782.70
  4. Step 4: Simplify right side
    348,096.30x = 108,277,154,507.66
  5. Step 5: Solve for x
    x = 108,277,154,507.66/348,096.30
  6. Step 6: Final answer
    x = 311,055.17

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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.