Home / 262,619.79-362,400.45-155,199.82

Finding the Fourth Proportional to 262,619.79, 362,400.45 and 155,199.82

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Solution

The fourth proportional to 262,619.79, 362,400.45 and 155,199.82 is: 214,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,619.79 : 362,400.45 = 155,199.82 : x
  2. Step 2: Convert to fraction form
    262,619.79/362,400.45 = 155,199.82/x
  3. Step 3: Cross multiply
    262,619.79x = 362,400.45 × 155,199.82
  4. Step 4: Simplify right side
    262,619.79x = 56,244,485,060.92
  5. Step 5: Solve for x
    x = 56,244,485,060.92/262,619.79
  6. Step 6: Final answer
    x = 214,166.97

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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.