Home / 354,399.17-489,082.66-193,263.03

Finding the Fourth Proportional to 354,399.17, 489,082.66 and 193,263.03

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Solution

The fourth proportional to 354,399.17, 489,082.66 and 193,263.03 is: 266,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,399.17 : 489,082.66 = 193,263.03 : x
  2. Step 2: Convert to fraction form
    354,399.17/489,082.66 = 193,263.03/x
  3. Step 3: Cross multiply
    354,399.17x = 489,082.66 × 193,263.03
  4. Step 4: Simplify right side
    354,399.17x = 94,521,596,308.90
  5. Step 5: Solve for x
    x = 94,521,596,308.90/354,399.17
  6. Step 6: Final answer
    x = 266,709.42

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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.