Home / 446,268.17-669,423.77-146,742.12

Finding the Fourth Proportional to 446,268.17, 669,423.77 and 146,742.12

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Solution

The fourth proportional to 446,268.17, 669,423.77 and 146,742.12 is: 220,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,268.17 : 669,423.77 = 146,742.12 : x
  2. Step 2: Convert to fraction form
    446,268.17/669,423.77 = 146,742.12/x
  3. Step 3: Cross multiply
    446,268.17x = 669,423.77 × 146,742.12
  4. Step 4: Simplify right side
    446,268.17x = 98,232,660,207.93
  5. Step 5: Solve for x
    x = 98,232,660,207.93/446,268.17
  6. Step 6: Final answer
    x = 220,120.25

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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.