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Finding the Fourth Proportional to 299,686.04, 448,810.94 and 218,415.24

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Solution

The fourth proportional to 299,686.04, 448,810.94 and 218,415.24 is: 327,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,686.04 : 448,810.94 = 218,415.24 : x
  2. Step 2: Convert to fraction form
    299,686.04/448,810.94 = 218,415.24/x
  3. Step 3: Cross multiply
    299,686.04x = 448,810.94 × 218,415.24
  4. Step 4: Simplify right side
    299,686.04x = 98,027,148,082.65
  5. Step 5: Solve for x
    x = 98,027,148,082.65/299,686.04
  6. Step 6: Final answer
    x = 327,099.49

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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.