Home / 248,749.71-342,926.79-210,355.04

Finding the Fourth Proportional to 248,749.71, 342,926.79 and 210,355.04

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Solution

The fourth proportional to 248,749.71, 342,926.79 and 210,355.04 is: 289,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,749.71 : 342,926.79 = 210,355.04 : x
  2. Step 2: Convert to fraction form
    248,749.71/342,926.79 = 210,355.04/x
  3. Step 3: Cross multiply
    248,749.71x = 342,926.79 × 210,355.04
  4. Step 4: Simplify right side
    248,749.71x = 72,136,376,912.89
  5. Step 5: Solve for x
    x = 72,136,376,912.89/248,749.71
  6. Step 6: Final answer
    x = 289,995.82

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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.