Home / 659,324.37-988,931.88-210,027.09

Finding the Fourth Proportional to 659,324.37, 988,931.88 and 210,027.09

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Solution

The fourth proportional to 659,324.37, 988,931.88 and 210,027.09 is: 315,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,324.37 : 988,931.88 = 210,027.09 : x
  2. Step 2: Convert to fraction form
    659,324.37/988,931.88 = 210,027.09/x
  3. Step 3: Cross multiply
    659,324.37x = 988,931.88 × 210,027.09
  4. Step 4: Simplify right side
    659,324.37x = 207,702,484,964.63
  5. Step 5: Solve for x
    x = 207,702,484,964.63/659,324.37
  6. Step 6: Final answer
    x = 315,023.22

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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.