Home / 300,150.18-450,058.95-122,781.69

Finding the Fourth Proportional to 300,150.18, 450,058.95 and 122,781.69

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Solution

The fourth proportional to 300,150.18, 450,058.95 and 122,781.69 is: 184,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,150.18 : 450,058.95 = 122,781.69 : x
  2. Step 2: Convert to fraction form
    300,150.18/450,058.95 = 122,781.69/x
  3. Step 3: Cross multiply
    300,150.18x = 450,058.95 × 122,781.69
  4. Step 4: Simplify right side
    300,150.18x = 55,258,998,480.63
  5. Step 5: Solve for x
    x = 55,258,998,480.63/300,150.18
  6. Step 6: Final answer
    x = 184,104.50

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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.