Home / 279,261.72-385,369.74-151,937.44

Finding the Fourth Proportional to 279,261.72, 385,369.74 and 151,937.44

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Solution

The fourth proportional to 279,261.72, 385,369.74 and 151,937.44 is: 209,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,261.72 : 385,369.74 = 151,937.44 : x
  2. Step 2: Convert to fraction form
    279,261.72/385,369.74 = 151,937.44/x
  3. Step 3: Cross multiply
    279,261.72x = 385,369.74 × 151,937.44
  4. Step 4: Simplify right side
    279,261.72x = 58,552,091,749.07
  5. Step 5: Solve for x
    x = 58,552,091,749.07/279,261.72
  6. Step 6: Final answer
    x = 209,667.45

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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.