Home / 358,306.04-494,405.82-205,314.80

Finding the Fourth Proportional to 358,306.04, 494,405.82 and 205,314.80

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Solution

The fourth proportional to 358,306.04, 494,405.82 and 205,314.80 is: 283,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,306.04 : 494,405.82 = 205,314.80 : x
  2. Step 2: Convert to fraction form
    358,306.04/494,405.82 = 205,314.80/x
  3. Step 3: Cross multiply
    358,306.04x = 494,405.82 × 205,314.80
  4. Step 4: Simplify right side
    358,306.04x = 101,508,832,052.14
  5. Step 5: Solve for x
    x = 101,508,832,052.14/358,306.04
  6. Step 6: Final answer
    x = 283,302.04

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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.