Home / 376,327.23-519,312.60-223,372.09

Finding the Fourth Proportional to 376,327.23, 519,312.60 and 223,372.09

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Solution

The fourth proportional to 376,327.23, 519,312.60 and 223,372.09 is: 308,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,327.23 : 519,312.60 = 223,372.09 : x
  2. Step 2: Convert to fraction form
    376,327.23/519,312.60 = 223,372.09/x
  3. Step 3: Cross multiply
    376,327.23x = 519,312.60 × 223,372.09
  4. Step 4: Simplify right side
    376,327.23x = 115,999,940,825.33
  5. Step 5: Solve for x
    x = 115,999,940,825.33/376,327.23
  6. Step 6: Final answer
    x = 308,242.22

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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.