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Finding the Fourth Proportional to 245,611.38, 368,417.04 and 68,118.38

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Solution

The fourth proportional to 245,611.38, 368,417.04 and 68,118.38 is: 102,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,611.38 : 368,417.04 = 68,118.38 : x
  2. Step 2: Convert to fraction form
    245,611.38/368,417.04 = 68,118.38/x
  3. Step 3: Cross multiply
    245,611.38x = 368,417.04 × 68,118.38
  4. Step 4: Simplify right side
    245,611.38x = 25,095,971,929.20
  5. Step 5: Solve for x
    x = 25,095,971,929.20/245,611.38
  6. Step 6: Final answer
    x = 102,177.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.