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Finding the Fourth Proportional to 260,727.52, 359,731.58 and 147,547.84

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Solution

The fourth proportional to 260,727.52, 359,731.58 and 147,547.84 is: 203,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,727.52 : 359,731.58 = 147,547.84 : x
  2. Step 2: Convert to fraction form
    260,727.52/359,731.58 = 147,547.84/x
  3. Step 3: Cross multiply
    260,727.52x = 359,731.58 × 147,547.84
  4. Step 4: Simplify right side
    260,727.52x = 53,077,617,608.79
  5. Step 5: Solve for x
    x = 53,077,617,608.79/260,727.52
  6. Step 6: Final answer
    x = 203,575.05

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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.