Home / 458,284.18-687,262.22-158,684.30

Finding the Fourth Proportional to 458,284.18, 687,262.22 and 158,684.30

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Solution

The fourth proportional to 458,284.18, 687,262.22 and 158,684.30 is: 237,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,284.18 : 687,262.22 = 158,684.30 : x
  2. Step 2: Convert to fraction form
    458,284.18/687,262.22 = 158,684.30/x
  3. Step 3: Cross multiply
    458,284.18x = 687,262.22 × 158,684.30
  4. Step 4: Simplify right side
    458,284.18x = 109,057,724,297.15
  5. Step 5: Solve for x
    x = 109,057,724,297.15/458,284.18
  6. Step 6: Final answer
    x = 237,969.65

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1.5x scale

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.