Home / 288,296.72-397,835.03-160,947.71

Finding the Fourth Proportional to 288,296.72, 397,835.03 and 160,947.71

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Solution

The fourth proportional to 288,296.72, 397,835.03 and 160,947.71 is: 222,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,296.72 : 397,835.03 = 160,947.71 : x
  2. Step 2: Convert to fraction form
    288,296.72/397,835.03 = 160,947.71/x
  3. Step 3: Cross multiply
    288,296.72x = 397,835.03 × 160,947.71
  4. Step 4: Simplify right side
    288,296.72x = 64,030,634,242.37
  5. Step 5: Solve for x
    x = 64,030,634,242.37/288,296.72
  6. Step 6: Final answer
    x = 222,099.77

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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.