Home / 449,035.48-619,663.26-247,818.52

Finding the Fourth Proportional to 449,035.48, 619,663.26 and 247,818.52

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Solution

The fourth proportional to 449,035.48, 619,663.26 and 247,818.52 is: 341,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,035.48 : 619,663.26 = 247,818.52 : x
  2. Step 2: Convert to fraction form
    449,035.48/619,663.26 = 247,818.52/x
  3. Step 3: Cross multiply
    449,035.48x = 619,663.26 × 247,818.52
  4. Step 4: Simplify right side
    449,035.48x = 153,564,031,991.58
  5. Step 5: Solve for x
    x = 153,564,031,991.58/449,035.48
  6. Step 6: Final answer
    x = 341,986.41

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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.