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Finding the Fourth Proportional to 250,035.84, 345,025.44 and 142,600.32

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Solution

The fourth proportional to 250,035.84, 345,025.44 and 142,600.32 is: 196,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,035.84 : 345,025.44 = 142,600.32 : x
  2. Step 2: Convert to fraction form
    250,035.84/345,025.44 = 142,600.32/x
  3. Step 3: Cross multiply
    250,035.84x = 345,025.44 × 142,600.32
  4. Step 4: Simplify right side
    250,035.84x = 49,200,738,152.14
  5. Step 5: Solve for x
    x = 49,200,738,152.14/250,035.84
  6. Step 6: Final answer
    x = 196,774.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.