Home / 449,239.70-619,946.06-245,289.98

Finding the Fourth Proportional to 449,239.70, 619,946.06 and 245,289.98

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Solution

The fourth proportional to 449,239.70, 619,946.06 and 245,289.98 is: 338,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,239.70 : 619,946.06 = 245,289.98 : x
  2. Step 2: Convert to fraction form
    449,239.70/619,946.06 = 245,289.98/x
  3. Step 3: Cross multiply
    449,239.70x = 619,946.06 × 245,289.98
  4. Step 4: Simplify right side
    449,239.70x = 152,066,556,658.48
  5. Step 5: Solve for x
    x = 152,066,556,658.48/449,239.70
  6. Step 6: Final answer
    x = 338,497.59

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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.