Home / 282,767.67-390,220.62-155,451.45

Finding the Fourth Proportional to 282,767.67, 390,220.62 and 155,451.45

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Solution

The fourth proportional to 282,767.67, 390,220.62 and 155,451.45 is: 214,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,767.67 : 390,220.62 = 155,451.45 : x
  2. Step 2: Convert to fraction form
    282,767.67/390,220.62 = 155,451.45/x
  3. Step 3: Cross multiply
    282,767.67x = 390,220.62 × 155,451.45
  4. Step 4: Simplify right side
    282,767.67x = 60,660,361,198.90
  5. Step 5: Solve for x
    x = 60,660,361,198.90/282,767.67
  6. Step 6: Final answer
    x = 214,523.68

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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.