Home / 319,742.44-441,244.65-176,502.58

Finding the Fourth Proportional to 319,742.44, 441,244.65 and 176,502.58

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Solution

The fourth proportional to 319,742.44, 441,244.65 and 176,502.58 is: 243,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,742.44 : 441,244.65 = 176,502.58 : x
  2. Step 2: Convert to fraction form
    319,742.44/441,244.65 = 176,502.58/x
  3. Step 3: Cross multiply
    319,742.44x = 441,244.65 × 176,502.58
  4. Step 4: Simplify right side
    319,742.44x = 77,880,819,136.20
  5. Step 5: Solve for x
    x = 77,880,819,136.20/319,742.44
  6. Step 6: Final answer
    x = 243,573.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.