Home / 175,506.40-263,259.60-172,007.20

Finding the Fourth Proportional to 175,506.40, 263,259.60 and 172,007.20

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Solution

The fourth proportional to 175,506.40, 263,259.60 and 172,007.20 is: 258,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,506.40 : 263,259.60 = 172,007.20 : x
  2. Step 2: Convert to fraction form
    175,506.40/263,259.60 = 172,007.20/x
  3. Step 3: Cross multiply
    175,506.40x = 263,259.60 × 172,007.20
  4. Step 4: Simplify right side
    175,506.40x = 45,282,546,669.12
  5. Step 5: Solve for x
    x = 45,282,546,669.12/175,506.40
  6. Step 6: Final answer
    x = 258,010.80

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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.