Home / 292,284.64-438,439.70-92,619.76

Finding the Fourth Proportional to 292,284.64, 438,439.70 and 92,619.76

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Solution

The fourth proportional to 292,284.64, 438,439.70 and 92,619.76 is: 138,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,284.64 : 438,439.70 = 92,619.76 : x
  2. Step 2: Convert to fraction form
    292,284.64/438,439.70 = 92,619.76/x
  3. Step 3: Cross multiply
    292,284.64x = 438,439.70 × 92,619.76
  4. Step 4: Simplify right side
    292,284.64x = 40,608,179,788.47
  5. Step 5: Solve for x
    x = 40,608,179,788.47/292,284.64
  6. Step 6: Final answer
    x = 138,933.68

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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.