Home / 403,229.28-604,639.77-225,688.62

Finding the Fourth Proportional to 403,229.28, 604,639.77 and 225,688.62

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Solution

The fourth proportional to 403,229.28, 604,639.77 and 225,688.62 is: 338,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,229.28 : 604,639.77 = 225,688.62 : x
  2. Step 2: Convert to fraction form
    403,229.28/604,639.77 = 225,688.62/x
  3. Step 3: Cross multiply
    403,229.28x = 604,639.77 × 225,688.62
  4. Step 4: Simplify right side
    403,229.28x = 136,460,315,288.42
  5. Step 5: Solve for x
    x = 136,460,315,288.42/403,229.28
  6. Step 6: Final answer
    x = 338,418.67

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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.