Home / 278,724.31-384,427.62-192,826.24

Finding the Fourth Proportional to 278,724.31, 384,427.62 and 192,826.24

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Solution

The fourth proportional to 278,724.31, 384,427.62 and 192,826.24 is: 265,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,724.31 : 384,427.62 = 192,826.24 : x
  2. Step 2: Convert to fraction form
    278,724.31/384,427.62 = 192,826.24/x
  3. Step 3: Cross multiply
    278,724.31x = 384,427.62 × 192,826.24
  4. Step 4: Simplify right side
    278,724.31x = 74,127,732,516.75
  5. Step 5: Solve for x
    x = 74,127,732,516.75/278,724.31
  6. Step 6: Final answer
    x = 265,953.60

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1.5x scale

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.