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Finding the Fourth Proportional to 238,322.88, 328,885.38 and 130,895.82

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Solution

The fourth proportional to 238,322.88, 328,885.38 and 130,895.82 is: 180,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,322.88 : 328,885.38 = 130,895.82 : x
  2. Step 2: Convert to fraction form
    238,322.88/328,885.38 = 130,895.82/x
  3. Step 3: Cross multiply
    238,322.88x = 328,885.38 × 130,895.82
  4. Step 4: Simplify right side
    238,322.88x = 43,049,721,501.11
  5. Step 5: Solve for x
    x = 43,049,721,501.11/238,322.88
  6. Step 6: Final answer
    x = 180,636.12

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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.