Home / 307,961.38-462,088.28-213,337.18

Finding the Fourth Proportional to 307,961.38, 462,088.28 and 213,337.18

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Solution

The fourth proportional to 307,961.38, 462,088.28 and 213,337.18 is: 320,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,961.38 : 462,088.28 = 213,337.18 : x
  2. Step 2: Convert to fraction form
    307,961.38/462,088.28 = 213,337.18/x
  3. Step 3: Cross multiply
    307,961.38x = 462,088.28 × 213,337.18
  4. Step 4: Simplify right side
    307,961.38x = 98,580,610,566.25
  5. Step 5: Solve for x
    x = 98,580,610,566.25/307,961.38
  6. Step 6: Final answer
    x = 320,107.06

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1.5x scale

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.