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Finding the Fourth Proportional to 656,632.02, 984,978.18 and 201,190.62

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Solution

The fourth proportional to 656,632.02, 984,978.18 and 201,190.62 is: 301,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,632.02 : 984,978.18 = 201,190.62 : x
  2. Step 2: Convert to fraction form
    656,632.02/984,978.18 = 201,190.62/x
  3. Step 3: Cross multiply
    656,632.02x = 984,978.18 × 201,190.62
  4. Step 4: Simplify right side
    656,632.02x = 198,168,370,720.67
  5. Step 5: Solve for x
    x = 198,168,370,720.67/656,632.02
  6. Step 6: Final answer
    x = 301,795.17

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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.