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Finding the Fourth Proportional to 216,216.37, 324,325.70 and 141,807.71

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Solution

The fourth proportional to 216,216.37, 324,325.70 and 141,807.71 is: 212,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,216.37 : 324,325.70 = 141,807.71 : x
  2. Step 2: Convert to fraction form
    216,216.37/324,325.70 = 141,807.71/x
  3. Step 3: Cross multiply
    216,216.37x = 324,325.70 × 141,807.71
  4. Step 4: Simplify right side
    216,216.37x = 45,991,886,242.37
  5. Step 5: Solve for x
    x = 45,991,886,242.37/216,216.37
  6. Step 6: Final answer
    x = 212,712.32

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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.