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Finding the Fourth Proportional to 295,210.60, 442,772.70 and 84,826.60

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Solution

The fourth proportional to 295,210.60, 442,772.70 and 84,826.60 is: 127,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,210.60 : 442,772.70 = 84,826.60 : x
  2. Step 2: Convert to fraction form
    295,210.60/442,772.70 = 84,826.60/x
  3. Step 3: Cross multiply
    295,210.60x = 442,772.70 × 84,826.60
  4. Step 4: Simplify right side
    295,210.60x = 37,558,902,713.82
  5. Step 5: Solve for x
    x = 37,558,902,713.82/295,210.60
  6. Step 6: Final answer
    x = 127,227.49

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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.