Home / 282,943.36-424,442.72-103,077.64

Finding the Fourth Proportional to 282,943.36, 424,442.72 and 103,077.64

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Solution

The fourth proportional to 282,943.36, 424,442.72 and 103,077.64 is: 154,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,943.36 : 424,442.72 = 103,077.64 : x
  2. Step 2: Convert to fraction form
    282,943.36/424,442.72 = 103,077.64/x
  3. Step 3: Cross multiply
    282,943.36x = 424,442.72 × 103,077.64
  4. Step 4: Simplify right side
    282,943.36x = 43,750,553,892.78
  5. Step 5: Solve for x
    x = 43,750,553,892.78/282,943.36
  6. Step 6: Final answer
    x = 154,626.54

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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.