Home / 389,623.60-583,974.60-202,538.80

Finding the Fourth Proportional to 389,623.60, 583,974.60 and 202,538.80

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Solution

The fourth proportional to 389,623.60, 583,974.60 and 202,538.80 is: 303,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,623.60 : 583,974.60 = 202,538.80 : x
  2. Step 2: Convert to fraction form
    389,623.60/583,974.60 = 202,538.80/x
  3. Step 3: Cross multiply
    389,623.60x = 583,974.60 × 202,538.80
  4. Step 4: Simplify right side
    389,623.60x = 118,277,514,714.48
  5. Step 5: Solve for x
    x = 118,277,514,714.48/389,623.60
  6. Step 6: Final answer
    x = 303,568.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.