Home / 292,288.64-438,445.71-92,623.75

Finding the Fourth Proportional to 292,288.64, 438,445.71 and 92,623.75

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Solution

The fourth proportional to 292,288.64, 438,445.71 and 92,623.75 is: 138,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,288.64 : 438,445.71 = 92,623.75 : x
  2. Step 2: Convert to fraction form
    292,288.64/438,445.71 = 92,623.75/x
  3. Step 3: Cross multiply
    292,288.64x = 438,445.71 × 92,623.75
  4. Step 4: Simplify right side
    292,288.64x = 40,610,484,735.50
  5. Step 5: Solve for x
    x = 40,610,484,735.50/292,288.64
  6. Step 6: Final answer
    x = 138,939.66

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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.