Home / 405,264.73-558,561.39-296,190.53

Finding the Fourth Proportional to 405,264.73, 558,561.39 and 296,190.53

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Solution

The fourth proportional to 405,264.73, 558,561.39 and 296,190.53 is: 408,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,264.73 : 558,561.39 = 296,190.53 : x
  2. Step 2: Convert to fraction form
    405,264.73/558,561.39 = 296,190.53/x
  3. Step 3: Cross multiply
    405,264.73x = 558,561.39 × 296,190.53
  4. Step 4: Simplify right side
    405,264.73x = 165,440,594,141.64
  5. Step 5: Solve for x
    x = 165,440,594,141.64/405,264.73
  6. Step 6: Final answer
    x = 408,228.45

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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.