Home / 342,216.18-472,035.87-219,514.38

Finding the Fourth Proportional to 342,216.18, 472,035.87 and 219,514.38

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Solution

The fourth proportional to 342,216.18, 472,035.87 and 219,514.38 is: 302,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,216.18 : 472,035.87 = 219,514.38 : x
  2. Step 2: Convert to fraction form
    342,216.18/472,035.87 = 219,514.38/x
  3. Step 3: Cross multiply
    342,216.18x = 472,035.87 × 219,514.38
  4. Step 4: Simplify right side
    342,216.18x = 103,618,661,340.81
  5. Step 5: Solve for x
    x = 103,618,661,340.81/342,216.18
  6. Step 6: Final answer
    x = 302,787.15

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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.