Home / 282,857.10-390,245.67-175,388.46

Finding the Fourth Proportional to 282,857.10, 390,245.67 and 175,388.46

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Solution

The fourth proportional to 282,857.10, 390,245.67 and 175,388.46 is: 241,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,857.10 : 390,245.67 = 175,388.46 : x
  2. Step 2: Convert to fraction form
    282,857.10/390,245.67 = 175,388.46/x
  3. Step 3: Cross multiply
    282,857.10x = 390,245.67 × 175,388.46
  4. Step 4: Simplify right side
    282,857.10x = 68,444,587,082.97
  5. Step 5: Solve for x
    x = 68,444,587,082.97/282,857.10
  6. Step 6: Final answer
    x = 241,975.85

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1.5x scale

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.