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Finding the Fourth Proportional to 250,448.15, 375,578.81 and 100,637.74

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Solution

The fourth proportional to 250,448.15, 375,578.81 and 100,637.74 is: 150,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,448.15 : 375,578.81 = 100,637.74 : x
  2. Step 2: Convert to fraction form
    250,448.15/375,578.81 = 100,637.74/x
  3. Step 3: Cross multiply
    250,448.15x = 375,578.81 × 100,637.74
  4. Step 4: Simplify right side
    250,448.15x = 37,797,402,973.97
  5. Step 5: Solve for x
    x = 37,797,402,973.97/250,448.15
  6. Step 6: Final answer
    x = 150,919.07

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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.