Home / 293,043.12-439,573.64-100,915.48

Finding the Fourth Proportional to 293,043.12, 439,573.64 and 100,915.48

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Solution

The fourth proportional to 293,043.12, 439,573.64 and 100,915.48 is: 151,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,043.12 : 439,573.64 = 100,915.48 : x
  2. Step 2: Convert to fraction form
    293,043.12/439,573.64 = 100,915.48/x
  3. Step 3: Cross multiply
    293,043.12x = 439,573.64 × 100,915.48
  4. Step 4: Simplify right side
    293,043.12x = 44,359,784,875.95
  5. Step 5: Solve for x
    x = 44,359,784,875.95/293,043.12
  6. Step 6: Final answer
    x = 151,376.31

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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.