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Finding the Fourth Proportional to 300,637.80, 450,998.10 and 101,015.22

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Solution

The fourth proportional to 300,637.80, 450,998.10 and 101,015.22 is: 151,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,637.80 : 450,998.10 = 101,015.22 : x
  2. Step 2: Convert to fraction form
    300,637.80/450,998.10 = 101,015.22/x
  3. Step 3: Cross multiply
    300,637.80x = 450,998.10 × 101,015.22
  4. Step 4: Simplify right side
    300,637.80x = 45,557,672,291.08
  5. Step 5: Solve for x
    x = 45,557,672,291.08/300,637.80
  6. Step 6: Final answer
    x = 151,536.74

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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.