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Finding the Fourth Proportional to 231,833.34, 319,926.29 and 129,858.57

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Solution

The fourth proportional to 231,833.34, 319,926.29 and 129,858.57 is: 179,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,833.34 : 319,926.29 = 129,858.57 : x
  2. Step 2: Convert to fraction form
    231,833.34/319,926.29 = 129,858.57/x
  3. Step 3: Cross multiply
    231,833.34x = 319,926.29 × 129,858.57
  4. Step 4: Simplify right side
    231,833.34x = 41,545,169,875.51
  5. Step 5: Solve for x
    x = 41,545,169,875.51/231,833.34
  6. Step 6: Final answer
    x = 179,202.74

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1.5x scale

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.