Home / 405,981.32-608,494.41-165,947.13

Finding the Fourth Proportional to 405,981.32, 608,494.41 and 165,947.13

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Solution

The fourth proportional to 405,981.32, 608,494.41 and 165,947.13 is: 248,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,981.32 : 608,494.41 = 165,947.13 : x
  2. Step 2: Convert to fraction form
    405,981.32/608,494.41 = 165,947.13/x
  3. Step 3: Cross multiply
    405,981.32x = 608,494.41 × 165,947.13
  4. Step 4: Simplify right side
    405,981.32x = 100,977,900,960.54
  5. Step 5: Solve for x
    x = 100,977,900,960.54/405,981.32
  6. Step 6: Final answer
    x = 248,725.49

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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.