Home / 296,729.33-409,079.77-187,779.47

Finding the Fourth Proportional to 296,729.33, 409,079.77 and 187,779.47

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Solution

The fourth proportional to 296,729.33, 409,079.77 and 187,779.47 is: 258,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,729.33 : 409,079.77 = 187,779.47 : x
  2. Step 2: Convert to fraction form
    296,729.33/409,079.77 = 187,779.47/x
  3. Step 3: Cross multiply
    296,729.33x = 409,079.77 × 187,779.47
  4. Step 4: Simplify right side
    296,729.33x = 76,816,779,883.47
  5. Step 5: Solve for x
    x = 76,816,779,883.47/296,729.33
  6. Step 6: Final answer
    x = 258,878.29

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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.