Home / 407,826.88-611,601.60-155,046.40

Finding the Fourth Proportional to 407,826.88, 611,601.60 and 155,046.40

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Solution

The fourth proportional to 407,826.88, 611,601.60 and 155,046.40 is: 232,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,826.88 : 611,601.60 = 155,046.40 : x
  2. Step 2: Convert to fraction form
    407,826.88/611,601.60 = 155,046.40/x
  3. Step 3: Cross multiply
    407,826.88x = 611,601.60 × 155,046.40
  4. Step 4: Simplify right side
    407,826.88x = 94,826,626,314.24
  5. Step 5: Solve for x
    x = 94,826,626,314.24/407,826.88
  6. Step 6: Final answer
    x = 232,516.86

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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.