Home / 279,224.19-385,327.55-151,900.29

Finding the Fourth Proportional to 279,224.19, 385,327.55 and 151,900.29

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Solution

The fourth proportional to 279,224.19, 385,327.55 and 151,900.29 is: 209,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,224.19 : 385,327.55 = 151,900.29 : x
  2. Step 2: Convert to fraction form
    279,224.19/385,327.55 = 151,900.29/x
  3. Step 3: Cross multiply
    279,224.19x = 385,327.55 × 151,900.29
  4. Step 4: Simplify right side
    279,224.19x = 58,531,365,830.49
  5. Step 5: Solve for x
    x = 58,531,365,830.49/279,224.19
  6. Step 6: Final answer
    x = 209,621.40

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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.