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Finding the Fourth Proportional to 100,400.93, 150,647.36 and 43,492.23

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Solution

The fourth proportional to 100,400.93, 150,647.36 and 43,492.23 is: 65,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,400.93 : 150,647.36 = 43,492.23 : x
  2. Step 2: Convert to fraction form
    100,400.93/150,647.36 = 43,492.23/x
  3. Step 3: Cross multiply
    100,400.93x = 150,647.36 × 43,492.23
  4. Step 4: Simplify right side
    100,400.93x = 6,551,989,630.01
  5. Step 5: Solve for x
    x = 6,551,989,630.01/100,400.93
  6. Step 6: Final answer
    x = 65,258.26

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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.