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Finding the Fourth Proportional to 374,533, 561,873.62 and 121,797.20

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Solution

The fourth proportional to 374,533, 561,873.62 and 121,797.20 is: 182,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,533 : 561,873.62 = 121,797.20 : x
  2. Step 2: Convert to fraction form
    374,533/561,873.62 = 121,797.20/x
  3. Step 3: Cross multiply
    374,533x = 561,873.62 × 121,797.20
  4. Step 4: Simplify right side
    374,533x = 68,434,633,669.86
  5. Step 5: Solve for x
    x = 68,434,633,669.86/374,533
  6. Step 6: Final answer
    x = 182,719.90

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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.