Home / 312,319.20-430,999.98-169,079.24

Finding the Fourth Proportional to 312,319.20, 430,999.98 and 169,079.24

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Solution

The fourth proportional to 312,319.20, 430,999.98 and 169,079.24 is: 233,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,319.20 : 430,999.98 = 169,079.24 : x
  2. Step 2: Convert to fraction form
    312,319.20/430,999.98 = 169,079.24/x
  3. Step 3: Cross multiply
    312,319.20x = 430,999.98 × 169,079.24
  4. Step 4: Simplify right side
    312,319.20x = 72,873,149,058.42
  5. Step 5: Solve for x
    x = 72,873,149,058.42/312,319.20
  6. Step 6: Final answer
    x = 233,329.07

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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.