Home / 329,756.32-455,081.36-208,853.20

Finding the Fourth Proportional to 329,756.32, 455,081.36 and 208,853.20

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Solution

The fourth proportional to 329,756.32, 455,081.36 and 208,853.20 is: 288,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,756.32 : 455,081.36 = 208,853.20 : x
  2. Step 2: Convert to fraction form
    329,756.32/455,081.36 = 208,853.20/x
  3. Step 3: Cross multiply
    329,756.32x = 455,081.36 × 208,853.20
  4. Step 4: Simplify right side
    329,756.32x = 95,045,198,296.35
  5. Step 5: Solve for x
    x = 95,045,198,296.35/329,756.32
  6. Step 6: Final answer
    x = 288,228.59

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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.