Home / 401,507.05-554,095.23-220,226.62

Finding the Fourth Proportional to 401,507.05, 554,095.23 and 220,226.62

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Solution

The fourth proportional to 401,507.05, 554,095.23 and 220,226.62 is: 303,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,507.05 : 554,095.23 = 220,226.62 : x
  2. Step 2: Convert to fraction form
    401,507.05/554,095.23 = 220,226.62/x
  3. Step 3: Cross multiply
    401,507.05x = 554,095.23 × 220,226.62
  4. Step 4: Simplify right side
    401,507.05x = 122,026,519,661.02
  5. Step 5: Solve for x
    x = 122,026,519,661.02/401,507.05
  6. Step 6: Final answer
    x = 303,921.24

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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.