Home / 364,688.20-503,315.22-221,438.92

Finding the Fourth Proportional to 364,688.20, 503,315.22 and 221,438.92

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Solution

The fourth proportional to 364,688.20, 503,315.22 and 221,438.92 is: 305,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,688.20 : 503,315.22 = 221,438.92 : x
  2. Step 2: Convert to fraction form
    364,688.20/503,315.22 = 221,438.92/x
  3. Step 3: Cross multiply
    364,688.20x = 503,315.22 × 221,438.92
  4. Step 4: Simplify right side
    364,688.20x = 111,453,578,736.36
  5. Step 5: Solve for x
    x = 111,453,578,736.36/364,688.20
  6. Step 6: Final answer
    x = 305,613.34

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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.