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Finding the Fourth Proportional to 238,322.70, 328,887.27 and 130,894.02

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Solution

The fourth proportional to 238,322.70, 328,887.27 and 130,894.02 is: 180,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,322.70 : 328,887.27 = 130,894.02 : x
  2. Step 2: Convert to fraction form
    238,322.70/328,887.27 = 130,894.02/x
  3. Step 3: Cross multiply
    238,322.70x = 328,887.27 × 130,894.02
  4. Step 4: Simplify right side
    238,322.70x = 43,049,376,897.13
  5. Step 5: Solve for x
    x = 43,049,376,897.13/238,322.70
  6. Step 6: Final answer
    x = 180,634.82

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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.