Home / 221,500.01-305,563.64-144,985.38

Finding the Fourth Proportional to 221,500.01, 305,563.64 and 144,985.38

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Solution

The fourth proportional to 221,500.01, 305,563.64 and 144,985.38 is: 200,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,500.01 : 305,563.64 = 144,985.38 : x
  2. Step 2: Convert to fraction form
    221,500.01/305,563.64 = 144,985.38/x
  3. Step 3: Cross multiply
    221,500.01x = 305,563.64 × 144,985.38
  4. Step 4: Simplify right side
    221,500.01x = 44,302,259,734.66
  5. Step 5: Solve for x
    x = 44,302,259,734.66/221,500.01
  6. Step 6: Final answer
    x = 200,010.20

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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.