Home / 292,917.54-439,376.34-105,885.30

Finding the Fourth Proportional to 292,917.54, 439,376.34 and 105,885.30

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Solution

The fourth proportional to 292,917.54, 439,376.34 and 105,885.30 is: 158,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,917.54 : 439,376.34 = 105,885.30 : x
  2. Step 2: Convert to fraction form
    292,917.54/439,376.34 = 105,885.30/x
  3. Step 3: Cross multiply
    292,917.54x = 439,376.34 × 105,885.30
  4. Step 4: Simplify right side
    292,917.54x = 46,523,495,573.80
  5. Step 5: Solve for x
    x = 46,523,495,573.80/292,917.54
  6. Step 6: Final answer
    x = 158,827.96

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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.