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Finding the Fourth Proportional to 299,282.52, 412,525.08 and 260,420.88

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Solution

The fourth proportional to 299,282.52, 412,525.08 and 260,420.88 is: 358,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,282.52 : 412,525.08 = 260,420.88 : x
  2. Step 2: Convert to fraction form
    299,282.52/412,525.08 = 260,420.88/x
  3. Step 3: Cross multiply
    299,282.52x = 412,525.08 × 260,420.88
  4. Step 4: Simplify right side
    299,282.52x = 107,430,144,355.67
  5. Step 5: Solve for x
    x = 107,430,144,355.67/299,282.52
  6. Step 6: Final answer
    x = 358,958.97

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1.5x scale

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.