Home / 175,336.20-263,004.30-172,420.20

Finding the Fourth Proportional to 175,336.20, 263,004.30 and 172,420.20

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Solution

The fourth proportional to 175,336.20, 263,004.30 and 172,420.20 is: 258,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,336.20 : 263,004.30 = 172,420.20 : x
  2. Step 2: Convert to fraction form
    175,336.20/263,004.30 = 172,420.20/x
  3. Step 3: Cross multiply
    175,336.20x = 263,004.30 × 172,420.20
  4. Step 4: Simplify right side
    175,336.20x = 45,347,254,006.86
  5. Step 5: Solve for x
    x = 45,347,254,006.86/175,336.20
  6. Step 6: Final answer
    x = 258,630.30

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1.5x scale

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.