Home / 315,492.24-435,373.38-179,523.12

Finding the Fourth Proportional to 315,492.24, 435,373.38 and 179,523.12

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Solution

The fourth proportional to 315,492.24, 435,373.38 and 179,523.12 is: 247,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,492.24 : 435,373.38 = 179,523.12 : x
  2. Step 2: Convert to fraction form
    315,492.24/435,373.38 = 179,523.12/x
  3. Step 3: Cross multiply
    315,492.24x = 435,373.38 × 179,523.12
  4. Step 4: Simplify right side
    315,492.24x = 78,159,587,542.55
  5. Step 5: Solve for x
    x = 78,159,587,542.55/315,492.24
  6. Step 6: Final answer
    x = 247,738.54

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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.