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Finding the Fourth Proportional to 260,482.56, 359,363.16 and 163,629.52

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Solution

The fourth proportional to 260,482.56, 359,363.16 and 163,629.52 is: 225,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,482.56 : 359,363.16 = 163,629.52 : x
  2. Step 2: Convert to fraction form
    260,482.56/359,363.16 = 163,629.52/x
  3. Step 3: Cross multiply
    260,482.56x = 359,363.16 × 163,629.52
  4. Step 4: Simplify right side
    260,482.56x = 58,802,421,376.48
  5. Step 5: Solve for x
    x = 58,802,421,376.48/260,482.56
  6. Step 6: Final answer
    x = 225,744.18

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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.