Home / 382,761.08-528,206.13-210,675.37

Finding the Fourth Proportional to 382,761.08, 528,206.13 and 210,675.37

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Solution

The fourth proportional to 382,761.08, 528,206.13 and 210,675.37 is: 290,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,761.08 : 528,206.13 = 210,675.37 : x
  2. Step 2: Convert to fraction form
    382,761.08/528,206.13 = 210,675.37/x
  3. Step 3: Cross multiply
    382,761.08x = 528,206.13 × 210,675.37
  4. Step 4: Simplify right side
    382,761.08x = 111,280,021,874.02
  5. Step 5: Solve for x
    x = 111,280,021,874.02/382,761.08
  6. Step 6: Final answer
    x = 290,729.72

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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.