Home / 510,085.20-765,095.40-173,125.20

Finding the Fourth Proportional to 510,085.20, 765,095.40 and 173,125.20

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Solution

The fourth proportional to 510,085.20, 765,095.40 and 173,125.20 is: 259,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,085.20 : 765,095.40 = 173,125.20 : x
  2. Step 2: Convert to fraction form
    510,085.20/765,095.40 = 173,125.20/x
  3. Step 3: Cross multiply
    510,085.20x = 765,095.40 × 173,125.20
  4. Step 4: Simplify right side
    510,085.20x = 132,457,294,144.08
  5. Step 5: Solve for x
    x = 132,457,294,144.08/510,085.20
  6. Step 6: Final answer
    x = 259,676.80

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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.