Home / 376,397.28-519,429.06-223,466.22

Finding the Fourth Proportional to 376,397.28, 519,429.06 and 223,466.22

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Solution

The fourth proportional to 376,397.28, 519,429.06 and 223,466.22 is: 308,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,397.28 : 519,429.06 = 223,466.22 : x
  2. Step 2: Convert to fraction form
    376,397.28/519,429.06 = 223,466.22/x
  3. Step 3: Cross multiply
    376,397.28x = 519,429.06 × 223,466.22
  4. Step 4: Simplify right side
    376,397.28x = 116,074,848,596.35
  5. Step 5: Solve for x
    x = 116,074,848,596.35/376,397.28
  6. Step 6: Final answer
    x = 308,383.87

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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.