Home / 229,252.98-343,646.16-212,281.86

Finding the Fourth Proportional to 229,252.98, 343,646.16 and 212,281.86

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Solution

The fourth proportional to 229,252.98, 343,646.16 and 212,281.86 is: 318,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,252.98 : 343,646.16 = 212,281.86 : x
  2. Step 2: Convert to fraction form
    229,252.98/343,646.16 = 212,281.86/x
  3. Step 3: Cross multiply
    229,252.98x = 343,646.16 × 212,281.86
  4. Step 4: Simplify right side
    229,252.98x = 72,949,846,026.66
  5. Step 5: Solve for x
    x = 72,949,846,026.66/229,252.98
  6. Step 6: Final answer
    x = 318,206.75

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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.