Home / 228,821.14-343,312.71-102,451.42

Finding the Fourth Proportional to 228,821.14, 343,312.71 and 102,451.42

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Solution

The fourth proportional to 228,821.14, 343,312.71 and 102,451.42 is: 153,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,821.14 : 343,312.71 = 102,451.42 : x
  2. Step 2: Convert to fraction form
    228,821.14/343,312.71 = 102,451.42/x
  3. Step 3: Cross multiply
    228,821.14x = 343,312.71 × 102,451.42
  4. Step 4: Simplify right side
    228,821.14x = 35,172,874,643.55
  5. Step 5: Solve for x
    x = 35,172,874,643.55/228,821.14
  6. Step 6: Final answer
    x = 153,713.40

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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.