Home / 288,703.23-398,375.67-159,624.24

Finding the Fourth Proportional to 288,703.23, 398,375.67 and 159,624.24

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Solution

The fourth proportional to 288,703.23, 398,375.67 and 159,624.24 is: 220,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,703.23 : 398,375.67 = 159,624.24 : x
  2. Step 2: Convert to fraction form
    288,703.23/398,375.67 = 159,624.24/x
  3. Step 3: Cross multiply
    288,703.23x = 398,375.67 × 159,624.24
  4. Step 4: Simplify right side
    288,703.23x = 63,590,413,558.24
  5. Step 5: Solve for x
    x = 63,590,413,558.24/288,703.23
  6. Step 6: Final answer
    x = 220,262.22

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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.