Home / 328,965.44-454,044.29-208,267.65

Finding the Fourth Proportional to 328,965.44, 454,044.29 and 208,267.65

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Solution

The fourth proportional to 328,965.44, 454,044.29 and 208,267.65 is: 287,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965.44 : 454,044.29 = 208,267.65 : x
  2. Step 2: Convert to fraction form
    328,965.44/454,044.29 = 208,267.65/x
  3. Step 3: Cross multiply
    328,965.44x = 454,044.29 × 208,267.65
  4. Step 4: Simplify right side
    328,965.44x = 94,562,736,232.88
  5. Step 5: Solve for x
    x = 94,562,736,232.88/328,965.44
  6. Step 6: Final answer
    x = 287,454.93

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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.