Home / 229,311.10-343,950.45-79,515.10

Finding the Fourth Proportional to 229,311.10, 343,950.45 and 79,515.10

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Solution

The fourth proportional to 229,311.10, 343,950.45 and 79,515.10 is: 119,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,311.10 : 343,950.45 = 79,515.10 : x
  2. Step 2: Convert to fraction form
    229,311.10/343,950.45 = 79,515.10/x
  3. Step 3: Cross multiply
    229,311.10x = 343,950.45 × 79,515.10
  4. Step 4: Simplify right side
    229,311.10x = 27,349,254,426.80
  5. Step 5: Solve for x
    x = 27,349,254,426.80/229,311.10
  6. Step 6: Final answer
    x = 119,267.03

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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.