Home / 312,852-468,097.02-193,966.68

Finding the Fourth Proportional to 312,852, 468,097.02 and 193,966.68

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Solution

The fourth proportional to 312,852, 468,097.02 and 193,966.68 is: 290,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,852 : 468,097.02 = 193,966.68 : x
  2. Step 2: Convert to fraction form
    312,852/468,097.02 = 193,966.68/x
  3. Step 3: Cross multiply
    312,852x = 468,097.02 × 193,966.68
  4. Step 4: Simplify right side
    312,852x = 90,795,224,887.29
  5. Step 5: Solve for x
    x = 90,795,224,887.29/312,852
  6. Step 6: Final answer
    x = 290,217.82

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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.