Home / 229,382.39-343,685.32-140,450.20

Finding the Fourth Proportional to 229,382.39, 343,685.32 and 140,450.20

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Solution

The fourth proportional to 229,382.39, 343,685.32 and 140,450.20 is: 210,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,382.39 : 343,685.32 = 140,450.20 : x
  2. Step 2: Convert to fraction form
    229,382.39/343,685.32 = 140,450.20/x
  3. Step 3: Cross multiply
    229,382.39x = 343,685.32 × 140,450.20
  4. Step 4: Simplify right side
    229,382.39x = 48,270,671,931.06
  5. Step 5: Solve for x
    x = 48,270,671,931.06/229,382.39
  6. Step 6: Final answer
    x = 210,437.57

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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.