Home / 292,018.72-438,025.50-92,339.28

Finding the Fourth Proportional to 292,018.72, 438,025.50 and 92,339.28

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Solution

The fourth proportional to 292,018.72, 438,025.50 and 92,339.28 is: 138,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,018.72 : 438,025.50 = 92,339.28 : x
  2. Step 2: Convert to fraction form
    292,018.72/438,025.50 = 92,339.28/x
  3. Step 3: Cross multiply
    292,018.72x = 438,025.50 × 92,339.28
  4. Step 4: Simplify right side
    292,018.72x = 40,446,959,291.64
  5. Step 5: Solve for x
    x = 40,446,959,291.64/292,018.72
  6. Step 6: Final answer
    x = 138,508.10

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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.