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Finding the Fourth Proportional to 295,551.50, 407,863.66 and 168,235.28

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Solution

The fourth proportional to 295,551.50, 407,863.66 and 168,235.28 is: 232,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,551.50 : 407,863.66 = 168,235.28 : x
  2. Step 2: Convert to fraction form
    295,551.50/407,863.66 = 168,235.28/x
  3. Step 3: Cross multiply
    295,551.50x = 407,863.66 × 168,235.28
  4. Step 4: Simplify right side
    295,551.50x = 68,617,057,041.92
  5. Step 5: Solve for x
    x = 68,617,057,041.92/295,551.50
  6. Step 6: Final answer
    x = 232,166.16

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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.