Home / 279,670.23-385,942.94-152,345.82

Finding the Fourth Proportional to 279,670.23, 385,942.94 and 152,345.82

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Solution

The fourth proportional to 279,670.23, 385,942.94 and 152,345.82 is: 210,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,670.23 : 385,942.94 = 152,345.82 : x
  2. Step 2: Convert to fraction form
    279,670.23/385,942.94 = 152,345.82/x
  3. Step 3: Cross multiply
    279,670.23x = 385,942.94 × 152,345.82
  4. Step 4: Simplify right side
    279,670.23x = 58,796,792,905.78
  5. Step 5: Solve for x
    x = 58,796,792,905.78/279,670.23
  6. Step 6: Final answer
    x = 210,236.15

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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.