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Finding the Fourth Proportional to 439,954.74, 607,137.93 and 238,750.74

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Solution

The fourth proportional to 439,954.74, 607,137.93 and 238,750.74 is: 329,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,954.74 : 607,137.93 = 238,750.74 : x
  2. Step 2: Convert to fraction form
    439,954.74/607,137.93 = 238,750.74/x
  3. Step 3: Cross multiply
    439,954.74x = 607,137.93 × 238,750.74
  4. Step 4: Simplify right side
    439,954.74x = 144,954,630,069.57
  5. Step 5: Solve for x
    x = 144,954,630,069.57/439,954.74
  6. Step 6: Final answer
    x = 329,476.23

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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.