Home / 282,837.68-390,375.36-179,405

Finding the Fourth Proportional to 282,837.68, 390,375.36 and 179,405

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Solution

The fourth proportional to 282,837.68, 390,375.36 and 179,405 is: 247,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,837.68 : 390,375.36 = 179,405 : x
  2. Step 2: Convert to fraction form
    282,837.68/390,375.36 = 179,405/x
  3. Step 3: Cross multiply
    282,837.68x = 390,375.36 × 179,405
  4. Step 4: Simplify right side
    282,837.68x = 70,035,291,460.80
  5. Step 5: Solve for x
    x = 70,035,291,460.80/282,837.68
  6. Step 6: Final answer
    x = 247,616.55

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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.