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Finding the Fourth Proportional to 350,447.16, 483,589.80 and 214,424.67

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Solution

The fourth proportional to 350,447.16, 483,589.80 and 214,424.67 is: 295,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,447.16 : 483,589.80 = 214,424.67 : x
  2. Step 2: Convert to fraction form
    350,447.16/483,589.80 = 214,424.67/x
  3. Step 3: Cross multiply
    350,447.16x = 483,589.80 × 214,424.67
  4. Step 4: Simplify right side
    350,447.16x = 103,693,583,280.37
  5. Step 5: Solve for x
    x = 103,693,583,280.37/350,447.16
  6. Step 6: Final answer
    x = 295,889.35

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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.