Home / 467,945.08-645,764.20-253,085.16

Finding the Fourth Proportional to 467,945.08, 645,764.20 and 253,085.16

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Solution

The fourth proportional to 467,945.08, 645,764.20 and 253,085.16 is: 349,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,945.08 : 645,764.20 = 253,085.16 : x
  2. Step 2: Convert to fraction form
    467,945.08/645,764.20 = 253,085.16/x
  3. Step 3: Cross multiply
    467,945.08x = 645,764.20 × 253,085.16
  4. Step 4: Simplify right side
    467,945.08x = 163,433,335,879.27
  5. Step 5: Solve for x
    x = 163,433,335,879.27/467,945.08
  6. Step 6: Final answer
    x = 349,257.52

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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.