Home / 341,269.65-511,506-256,758.39

Finding the Fourth Proportional to 341,269.65, 511,506 and 256,758.39

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Solution

The fourth proportional to 341,269.65, 511,506 and 256,758.39 is: 384,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,269.65 : 511,506 = 256,758.39 : x
  2. Step 2: Convert to fraction form
    341,269.65/511,506 = 256,758.39/x
  3. Step 3: Cross multiply
    341,269.65x = 511,506 × 256,758.39
  4. Step 4: Simplify right side
    341,269.65x = 131,333,457,035.34
  5. Step 5: Solve for x
    x = 131,333,457,035.34/341,269.65
  6. Step 6: Final answer
    x = 384,837.79

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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.