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Finding the Fourth Proportional to 366,808.06, 506,074.12 and 221,559.57

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Solution

The fourth proportional to 366,808.06, 506,074.12 and 221,559.57 is: 305,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,808.06 : 506,074.12 = 221,559.57 : x
  2. Step 2: Convert to fraction form
    366,808.06/506,074.12 = 221,559.57/x
  3. Step 3: Cross multiply
    366,808.06x = 506,074.12 × 221,559.57
  4. Step 4: Simplify right side
    366,808.06x = 112,125,564,415.33
  5. Step 5: Solve for x
    x = 112,125,564,415.33/366,808.06
  6. Step 6: Final answer
    x = 305,679.12

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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.