Home / 315,222.08-435,032.22-179,298.54

Finding the Fourth Proportional to 315,222.08, 435,032.22 and 179,298.54

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Solution

The fourth proportional to 315,222.08, 435,032.22 and 179,298.54 is: 247,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,222.08 : 435,032.22 = 179,298.54 : x
  2. Step 2: Convert to fraction form
    315,222.08/435,032.22 = 179,298.54/x
  3. Step 3: Cross multiply
    315,222.08x = 435,032.22 × 179,298.54
  4. Step 4: Simplify right side
    315,222.08x = 78,000,641,898.96
  5. Step 5: Solve for x
    x = 78,000,641,898.96/315,222.08
  6. Step 6: Final answer
    x = 247,446.63

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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.