Home / 401,715.24-554,364.26-222,867.24

Finding the Fourth Proportional to 401,715.24, 554,364.26 and 222,867.24

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Solution

The fourth proportional to 401,715.24, 554,364.26 and 222,867.24 is: 307,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,715.24 : 554,364.26 = 222,867.24 : x
  2. Step 2: Convert to fraction form
    401,715.24/554,364.26 = 222,867.24/x
  3. Step 3: Cross multiply
    401,715.24x = 554,364.26 × 222,867.24
  4. Step 4: Simplify right side
    401,715.24x = 123,549,632,580.84
  5. Step 5: Solve for x
    x = 123,549,632,580.84/401,715.24
  6. Step 6: Final answer
    x = 307,555.25

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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.