Home / 648,635.85-972,627.15-216,200.16

Finding the Fourth Proportional to 648,635.85, 972,627.15 and 216,200.16

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Solution

The fourth proportional to 648,635.85, 972,627.15 and 216,200.16 is: 324,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,635.85 : 972,627.15 = 216,200.16 : x
  2. Step 2: Convert to fraction form
    648,635.85/972,627.15 = 216,200.16/x
  3. Step 3: Cross multiply
    648,635.85x = 972,627.15 × 216,200.16
  4. Step 4: Simplify right side
    648,635.85x = 210,282,145,450.34
  5. Step 5: Solve for x
    x = 210,282,145,450.34/648,635.85
  6. Step 6: Final answer
    x = 324,191.37

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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.