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Finding the Fourth Proportional to 580,308.25, 870,182.23 and 243,258.39

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Solution

The fourth proportional to 580,308.25, 870,182.23 and 243,258.39 is: 364,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,308.25 : 870,182.23 = 243,258.39 : x
  2. Step 2: Convert to fraction form
    580,308.25/870,182.23 = 243,258.39/x
  3. Step 3: Cross multiply
    580,308.25x = 870,182.23 × 243,258.39
  4. Step 4: Simplify right side
    580,308.25x = 211,679,128,276.41
  5. Step 5: Solve for x
    x = 211,679,128,276.41/580,308.25
  6. Step 6: Final answer
    x = 364,770.15

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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.