Home / 247,318.74-341,313.09-156,641.40

Finding the Fourth Proportional to 247,318.74, 341,313.09 and 156,641.40

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Solution

The fourth proportional to 247,318.74, 341,313.09 and 156,641.40 is: 216,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,318.74 : 341,313.09 = 156,641.40 : x
  2. Step 2: Convert to fraction form
    247,318.74/341,313.09 = 156,641.40/x
  3. Step 3: Cross multiply
    247,318.74x = 341,313.09 × 156,641.40
  4. Step 4: Simplify right side
    247,318.74x = 53,463,760,255.93
  5. Step 5: Solve for x
    x = 53,463,760,255.93/247,318.74
  6. Step 6: Final answer
    x = 216,173.51

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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.