Home / 383,148.33-528,761.10-213,382.46

Finding the Fourth Proportional to 383,148.33, 528,761.10 and 213,382.46

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Solution

The fourth proportional to 383,148.33, 528,761.10 and 213,382.46 is: 294,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,148.33 : 528,761.10 = 213,382.46 : x
  2. Step 2: Convert to fraction form
    383,148.33/528,761.10 = 213,382.46/x
  3. Step 3: Cross multiply
    383,148.33x = 528,761.10 × 213,382.46
  4. Step 4: Simplify right side
    383,148.33x = 112,828,341,626.50
  5. Step 5: Solve for x
    x = 112,828,341,626.50/383,148.33
  6. Step 6: Final answer
    x = 294,476.92

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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.