Home / 439,953.04-607,135.17-238,749.04

Finding the Fourth Proportional to 439,953.04, 607,135.17 and 238,749.04

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Solution

The fourth proportional to 439,953.04, 607,135.17 and 238,749.04 is: 329,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,953.04 : 607,135.17 = 238,749.04 : x
  2. Step 2: Convert to fraction form
    439,953.04/607,135.17 = 238,749.04/x
  3. Step 3: Cross multiply
    439,953.04x = 607,135.17 × 238,749.04
  4. Step 4: Simplify right side
    439,953.04x = 144,952,938,987.74
  5. Step 5: Solve for x
    x = 144,952,938,987.74/439,953.04
  6. Step 6: Final answer
    x = 329,473.66

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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.