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Finding the Fourth Proportional to 448,991.61, 619,614.16 and 265,236.22

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Solution

The fourth proportional to 448,991.61, 619,614.16 and 265,236.22 is: 366,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,991.61 : 619,614.16 = 265,236.22 : x
  2. Step 2: Convert to fraction form
    448,991.61/619,614.16 = 265,236.22/x
  3. Step 3: Cross multiply
    448,991.61x = 619,614.16 × 265,236.22
  4. Step 4: Simplify right side
    448,991.61x = 164,344,117,768.30
  5. Step 5: Solve for x
    x = 164,344,117,768.30/448,991.61
  6. Step 6: Final answer
    x = 366,029.38

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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.