Home / 238,322.49-328,887.30-130,894.75

Finding the Fourth Proportional to 238,322.49, 328,887.30 and 130,894.75

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Solution

The fourth proportional to 238,322.49, 328,887.30 and 130,894.75 is: 180,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,322.49 : 328,887.30 = 130,894.75 : x
  2. Step 2: Convert to fraction form
    238,322.49/328,887.30 = 130,894.75/x
  3. Step 3: Cross multiply
    238,322.49x = 328,887.30 × 130,894.75
  4. Step 4: Simplify right side
    238,322.49x = 43,049,620,911.68
  5. Step 5: Solve for x
    x = 43,049,620,911.68/238,322.49
  6. Step 6: Final answer
    x = 180,636.00

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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.