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Finding the Fourth Proportional to 607,477.19, 911,203.83 and 181,301.76

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Solution

The fourth proportional to 607,477.19, 911,203.83 and 181,301.76 is: 271,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,477.19 : 911,203.83 = 181,301.76 : x
  2. Step 2: Convert to fraction form
    607,477.19/911,203.83 = 181,301.76/x
  3. Step 3: Cross multiply
    607,477.19x = 911,203.83 × 181,301.76
  4. Step 4: Simplify right side
    607,477.19x = 165,202,858,097.74
  5. Step 5: Solve for x
    x = 165,202,858,097.74/607,477.19
  6. Step 6: Final answer
    x = 271,949.07

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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.