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Finding the Fourth Proportional to 341,134.65, 511,037.06 and 207,683.91

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Solution

The fourth proportional to 341,134.65, 511,037.06 and 207,683.91 is: 311,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,134.65 : 511,037.06 = 207,683.91 : x
  2. Step 2: Convert to fraction form
    341,134.65/511,037.06 = 207,683.91/x
  3. Step 3: Cross multiply
    341,134.65x = 511,037.06 × 207,683.91
  4. Step 4: Simplify right side
    341,134.65x = 106,134,173,737.29
  5. Step 5: Solve for x
    x = 106,134,173,737.29/341,134.65
  6. Step 6: Final answer
    x = 311,121.06

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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.