Home / 290,170.09-399,776.03-224,533.25

Finding the Fourth Proportional to 290,170.09, 399,776.03 and 224,533.25

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Solution

The fourth proportional to 290,170.09, 399,776.03 and 224,533.25 is: 309,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,170.09 : 399,776.03 = 224,533.25 : x
  2. Step 2: Convert to fraction form
    290,170.09/399,776.03 = 224,533.25/x
  3. Step 3: Cross multiply
    290,170.09x = 399,776.03 × 224,533.25
  4. Step 4: Simplify right side
    290,170.09x = 89,763,008,727.78
  5. Step 5: Solve for x
    x = 89,763,008,727.78/290,170.09
  6. Step 6: Final answer
    x = 309,346.18

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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.