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Finding the Fourth Proportional to 238,955.60, 358,434.33 and 96,803.56

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Solution

The fourth proportional to 238,955.60, 358,434.33 and 96,803.56 is: 145,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,955.60 : 358,434.33 = 96,803.56 : x
  2. Step 2: Convert to fraction form
    238,955.60/358,434.33 = 96,803.56/x
  3. Step 3: Cross multiply
    238,955.60x = 358,434.33 × 96,803.56
  4. Step 4: Simplify right side
    238,955.60x = 34,697,718,743.84
  5. Step 5: Solve for x
    x = 34,697,718,743.84/238,955.60
  6. Step 6: Final answer
    x = 145,205.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.