Home / 356,341.06-491,734.56-213,180.04

Finding the Fourth Proportional to 356,341.06, 491,734.56 and 213,180.04

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Solution

The fourth proportional to 356,341.06, 491,734.56 and 213,180.04 is: 294,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,341.06 : 491,734.56 = 213,180.04 : x
  2. Step 2: Convert to fraction form
    356,341.06/491,734.56 = 213,180.04/x
  3. Step 3: Cross multiply
    356,341.06x = 491,734.56 × 213,180.04
  4. Step 4: Simplify right side
    356,341.06x = 104,827,993,170.18
  5. Step 5: Solve for x
    x = 104,827,993,170.18/356,341.06
  6. Step 6: Final answer
    x = 294,178.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.