Home / 628,056.48-942,063.12-178,780.08

Finding the Fourth Proportional to 628,056.48, 942,063.12 and 178,780.08

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Solution

The fourth proportional to 628,056.48, 942,063.12 and 178,780.08 is: 268,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,056.48 : 942,063.12 = 178,780.08 : x
  2. Step 2: Convert to fraction form
    628,056.48/942,063.12 = 178,780.08/x
  3. Step 3: Cross multiply
    628,056.48x = 942,063.12 × 178,780.08
  4. Step 4: Simplify right side
    628,056.48x = 168,422,119,958.65
  5. Step 5: Solve for x
    x = 168,422,119,958.65/628,056.48
  6. Step 6: Final answer
    x = 268,163.97

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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.