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Finding the Fourth Proportional to 646,298.06, 969,889.88 and 225,573.93

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Solution

The fourth proportional to 646,298.06, 969,889.88 and 225,573.93 is: 338,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,298.06 : 969,889.88 = 225,573.93 : x
  2. Step 2: Convert to fraction form
    646,298.06/969,889.88 = 225,573.93/x
  3. Step 3: Cross multiply
    646,298.06x = 969,889.88 × 225,573.93
  4. Step 4: Simplify right side
    646,298.06x = 218,781,872,462.76
  5. Step 5: Solve for x
    x = 218,781,872,462.76/646,298.06
  6. Step 6: Final answer
    x = 338,515.44

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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.