Home / 343,208.10-514,815.18-140,915.46

Finding the Fourth Proportional to 343,208.10, 514,815.18 and 140,915.46

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Solution

The fourth proportional to 343,208.10, 514,815.18 and 140,915.46 is: 211,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,208.10 : 514,815.18 = 140,915.46 : x
  2. Step 2: Convert to fraction form
    343,208.10/514,815.18 = 140,915.46/x
  3. Step 3: Cross multiply
    343,208.10x = 514,815.18 × 140,915.46
  4. Step 4: Simplify right side
    343,208.10x = 72,545,415,330.61
  5. Step 5: Solve for x
    x = 72,545,415,330.61/343,208.10
  6. Step 6: Final answer
    x = 211,374.43

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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.