Home / 374,084.85-561,206.08-121,345.60

Finding the Fourth Proportional to 374,084.85, 561,206.08 and 121,345.60

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Solution

The fourth proportional to 374,084.85, 561,206.08 and 121,345.60 is: 182,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,084.85 : 561,206.08 = 121,345.60 : x
  2. Step 2: Convert to fraction form
    374,084.85/561,206.08 = 121,345.60/x
  3. Step 3: Cross multiply
    374,084.85x = 561,206.08 × 121,345.60
  4. Step 4: Simplify right side
    374,084.85x = 68,099,888,899.39
  5. Step 5: Solve for x
    x = 68,099,888,899.39/374,084.85
  6. Step 6: Final answer
    x = 182,043.97

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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.