Home / 229,448.07-343,783.44-140,515.74

Finding the Fourth Proportional to 229,448.07, 343,783.44 and 140,515.74

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Solution

The fourth proportional to 229,448.07, 343,783.44 and 140,515.74 is: 210,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,448.07 : 343,783.44 = 140,515.74 : x
  2. Step 2: Convert to fraction form
    229,448.07/343,783.44 = 140,515.74/x
  3. Step 3: Cross multiply
    229,448.07x = 343,783.44 × 140,515.74
  4. Step 4: Simplify right side
    229,448.07x = 48,306,984,471.35
  5. Step 5: Solve for x
    x = 48,306,984,471.35/229,448.07
  6. Step 6: Final answer
    x = 210,535.59

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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.