Home / 289,250.28-399,166.94-160,192.98

Finding the Fourth Proportional to 289,250.28, 399,166.94 and 160,192.98

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Solution

The fourth proportional to 289,250.28, 399,166.94 and 160,192.98 is: 221,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,250.28 : 399,166.94 = 160,192.98 : x
  2. Step 2: Convert to fraction form
    289,250.28/399,166.94 = 160,192.98/x
  3. Step 3: Cross multiply
    289,250.28x = 399,166.94 × 160,192.98
  4. Step 4: Simplify right side
    289,250.28x = 63,943,740,835.12
  5. Step 5: Solve for x
    x = 63,943,740,835.12/289,250.28
  6. Step 6: Final answer
    x = 221,067.17

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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.