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Finding the Fourth Proportional to 341,386.41, 512,080.02 and 116,749.11

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Solution

The fourth proportional to 341,386.41, 512,080.02 and 116,749.11 is: 175,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,386.41 : 512,080.02 = 116,749.11 : x
  2. Step 2: Convert to fraction form
    341,386.41/512,080.02 = 116,749.11/x
  3. Step 3: Cross multiply
    341,386.41x = 512,080.02 × 116,749.11
  4. Step 4: Simplify right side
    341,386.41x = 59,784,886,583.78
  5. Step 5: Solve for x
    x = 59,784,886,583.78/341,386.41
  6. Step 6: Final answer
    x = 175,123.80

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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.