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Finding the Fourth Proportional to 351,952.75, 486,095.75 and 238,578.67

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Solution

The fourth proportional to 351,952.75, 486,095.75 and 238,578.67 is: 329,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,952.75 : 486,095.75 = 238,578.67 : x
  2. Step 2: Convert to fraction form
    351,952.75/486,095.75 = 238,578.67/x
  3. Step 3: Cross multiply
    351,952.75x = 486,095.75 × 238,578.67
  4. Step 4: Simplify right side
    351,952.75x = 115,972,077,527.65
  5. Step 5: Solve for x
    x = 115,972,077,527.65/351,952.75
  6. Step 6: Final answer
    x = 329,510.36

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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.