Home / 282,976.62-390,499.56-155,652.24

Finding the Fourth Proportional to 282,976.62, 390,499.56 and 155,652.24

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Solution

The fourth proportional to 282,976.62, 390,499.56 and 155,652.24 is: 214,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,976.62 : 390,499.56 = 155,652.24 : x
  2. Step 2: Convert to fraction form
    282,976.62/390,499.56 = 155,652.24/x
  3. Step 3: Cross multiply
    282,976.62x = 390,499.56 × 155,652.24
  4. Step 4: Simplify right side
    282,976.62x = 60,782,131,233.01
  5. Step 5: Solve for x
    x = 60,782,131,233.01/282,976.62
  6. Step 6: Final answer
    x = 214,795.59

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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.