Home / 288,351.22-397,935.93-159,296.35

Finding the Fourth Proportional to 288,351.22, 397,935.93 and 159,296.35

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Solution

The fourth proportional to 288,351.22, 397,935.93 and 159,296.35 is: 219,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,351.22 : 397,935.93 = 159,296.35 : x
  2. Step 2: Convert to fraction form
    288,351.22/397,935.93 = 159,296.35/x
  3. Step 3: Cross multiply
    288,351.22x = 397,935.93 × 159,296.35
  4. Step 4: Simplify right side
    288,351.22x = 63,389,741,182.86
  5. Step 5: Solve for x
    x = 63,389,741,182.86/288,351.22
  6. Step 6: Final answer
    x = 219,835.18

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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.