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Finding the Fourth Proportional to 483,437.67, 667,155.86 and 265,644.57

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Solution

The fourth proportional to 483,437.67, 667,155.86 and 265,644.57 is: 366,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,437.67 : 667,155.86 = 265,644.57 : x
  2. Step 2: Convert to fraction form
    483,437.67/667,155.86 = 265,644.57/x
  3. Step 3: Cross multiply
    483,437.67x = 667,155.86 × 265,644.57
  4. Step 4: Simplify right side
    483,437.67x = 177,226,329,969.71
  5. Step 5: Solve for x
    x = 177,226,329,969.71/483,437.67
  6. Step 6: Final answer
    x = 366,596.03

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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.