Home / 289,632.24-434,508.84-89,947.44

Finding the Fourth Proportional to 289,632.24, 434,508.84 and 89,947.44

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Solution

The fourth proportional to 289,632.24, 434,508.84 and 89,947.44 is: 134,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,632.24 : 434,508.84 = 89,947.44 : x
  2. Step 2: Convert to fraction form
    289,632.24/434,508.84 = 89,947.44/x
  3. Step 3: Cross multiply
    289,632.24x = 434,508.84 × 89,947.44
  4. Step 4: Simplify right side
    289,632.24x = 39,082,957,815.37
  5. Step 5: Solve for x
    x = 39,082,957,815.37/289,632.24
  6. Step 6: Final answer
    x = 134,939.94

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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.