Home / 289,916.40-400,087.53-162,589.26

Finding the Fourth Proportional to 289,916.40, 400,087.53 and 162,589.26

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Solution

The fourth proportional to 289,916.40, 400,087.53 and 162,589.26 is: 224,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,916.40 : 400,087.53 = 162,589.26 : x
  2. Step 2: Convert to fraction form
    289,916.40/400,087.53 = 162,589.26/x
  3. Step 3: Cross multiply
    289,916.40x = 400,087.53 × 162,589.26
  4. Step 4: Simplify right side
    289,916.40x = 65,049,935,437.93
  5. Step 5: Solve for x
    x = 65,049,935,437.93/289,916.40
  6. Step 6: Final answer
    x = 224,374.80

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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.