Home / 356,684.13-492,286.53-270,927

Finding the Fourth Proportional to 356,684.13, 492,286.53 and 270,927

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Solution

The fourth proportional to 356,684.13, 492,286.53 and 270,927 is: 373,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,684.13 : 492,286.53 = 270,927 : x
  2. Step 2: Convert to fraction form
    356,684.13/492,286.53 = 270,927/x
  3. Step 3: Cross multiply
    356,684.13x = 492,286.53 × 270,927
  4. Step 4: Simplify right side
    356,684.13x = 133,373,712,713.31
  5. Step 5: Solve for x
    x = 133,373,712,713.31/356,684.13
  6. Step 6: Final answer
    x = 373,926.68

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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.