Home / 289,437.24-399,435.78-168,559.02

Finding the Fourth Proportional to 289,437.24, 399,435.78 and 168,559.02

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Solution

The fourth proportional to 289,437.24, 399,435.78 and 168,559.02 is: 232,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,437.24 : 399,435.78 = 168,559.02 : x
  2. Step 2: Convert to fraction form
    289,437.24/399,435.78 = 168,559.02/x
  3. Step 3: Cross multiply
    289,437.24x = 399,435.78 × 168,559.02
  4. Step 4: Simplify right side
    289,437.24x = 67,328,503,629.74
  5. Step 5: Solve for x
    x = 67,328,503,629.74/289,437.24
  6. Step 6: Final answer
    x = 232,618.66

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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.