Home / 486,715.57-671,663.43-268,923.53

Finding the Fourth Proportional to 486,715.57, 671,663.43 and 268,923.53

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Solution

The fourth proportional to 486,715.57, 671,663.43 and 268,923.53 is: 371,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,715.57 : 671,663.43 = 268,923.53 : x
  2. Step 2: Convert to fraction form
    486,715.57/671,663.43 = 268,923.53/x
  3. Step 3: Cross multiply
    486,715.57x = 671,663.43 × 268,923.53
  4. Step 4: Simplify right side
    486,715.57x = 180,626,102,246.67
  5. Step 5: Solve for x
    x = 180,626,102,246.67/486,715.57
  6. Step 6: Final answer
    x = 371,112.24

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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.