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Finding the Fourth Proportional to 299,203.08, 448,800.96 and 85,975.92

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Solution

The fourth proportional to 299,203.08, 448,800.96 and 85,975.92 is: 128,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,203.08 : 448,800.96 = 85,975.92 : x
  2. Step 2: Convert to fraction form
    299,203.08/448,800.96 = 85,975.92/x
  3. Step 3: Cross multiply
    299,203.08x = 448,800.96 × 85,975.92
  4. Step 4: Simplify right side
    299,203.08x = 38,586,075,432.88
  5. Step 5: Solve for x
    x = 38,586,075,432.88/299,203.08
  6. Step 6: Final answer
    x = 128,962.83

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1.5x scale

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.