Home / 401,529.48-554,126.18-220,249.05

Finding the Fourth Proportional to 401,529.48, 554,126.18 and 220,249.05

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Solution

The fourth proportional to 401,529.48, 554,126.18 and 220,249.05 is: 303,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,529.48 : 554,126.18 = 220,249.05 : x
  2. Step 2: Convert to fraction form
    401,529.48/554,126.18 = 220,249.05/x
  3. Step 3: Cross multiply
    401,529.48x = 554,126.18 × 220,249.05
  4. Step 4: Simplify right side
    401,529.48x = 122,045,763,623.88
  5. Step 5: Solve for x
    x = 122,045,763,623.88/401,529.48
  6. Step 6: Final answer
    x = 303,952.19

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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.