Home / 312,549.46-468,822.16-75,890.54

Finding the Fourth Proportional to 312,549.46, 468,822.16 and 75,890.54

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Solution

The fourth proportional to 312,549.46, 468,822.16 and 75,890.54 is: 113,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,549.46 : 468,822.16 = 75,890.54 : x
  2. Step 2: Convert to fraction form
    312,549.46/468,822.16 = 75,890.54/x
  3. Step 3: Cross multiply
    312,549.46x = 468,822.16 × 75,890.54
  4. Step 4: Simplify right side
    312,549.46x = 35,579,166,886.37
  5. Step 5: Solve for x
    x = 35,579,166,886.37/312,549.46
  6. Step 6: Final answer
    x = 113,835.32

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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.