Home / 292,354.94-438,587.06-92,621.69

Finding the Fourth Proportional to 292,354.94, 438,587.06 and 92,621.69

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Solution

The fourth proportional to 292,354.94, 438,587.06 and 92,621.69 is: 138,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,354.94 : 438,587.06 = 92,621.69 : x
  2. Step 2: Convert to fraction form
    292,354.94/438,587.06 = 92,621.69/x
  3. Step 3: Cross multiply
    292,354.94x = 438,587.06 × 92,621.69
  4. Step 4: Simplify right side
    292,354.94x = 40,622,675,342.69
  5. Step 5: Solve for x
    x = 40,622,675,342.69/292,354.94
  6. Step 6: Final answer
    x = 138,949.85

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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.