Home / 376,327.28-519,312.69-223,372.15

Finding the Fourth Proportional to 376,327.28, 519,312.69 and 223,372.15

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Solution

The fourth proportional to 376,327.28, 519,312.69 and 223,372.15 is: 308,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,327.28 : 519,312.69 = 223,372.15 : x
  2. Step 2: Convert to fraction form
    376,327.28/519,312.69 = 223,372.15/x
  3. Step 3: Cross multiply
    376,327.28x = 519,312.69 × 223,372.15
  4. Step 4: Simplify right side
    376,327.28x = 115,999,992,087.58
  5. Step 5: Solve for x
    x = 115,999,992,087.58/376,327.28
  6. Step 6: Final answer
    x = 308,242.32

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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.