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Finding the Fourth Proportional to 439,953.48, 607,132.26 and 238,749.48

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Solution

The fourth proportional to 439,953.48, 607,132.26 and 238,749.48 is: 329,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,953.48 : 607,132.26 = 238,749.48 : x
  2. Step 2: Convert to fraction form
    439,953.48/607,132.26 = 238,749.48/x
  3. Step 3: Cross multiply
    439,953.48x = 607,132.26 × 238,749.48
  4. Step 4: Simplify right side
    439,953.48x = 144,952,511,366.23
  5. Step 5: Solve for x
    x = 144,952,511,366.23/439,953.48
  6. Step 6: Final answer
    x = 329,472.36

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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.