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Finding the Fourth Proportional to 434,625.48, 651,602.88 and 164,749.68

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Solution

The fourth proportional to 434,625.48, 651,602.88 and 164,749.68 is: 246,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,625.48 : 651,602.88 = 164,749.68 : x
  2. Step 2: Convert to fraction form
    434,625.48/651,602.88 = 164,749.68/x
  3. Step 3: Cross multiply
    434,625.48x = 651,602.88 × 164,749.68
  4. Step 4: Simplify right side
    434,625.48x = 107,351,365,967.08
  5. Step 5: Solve for x
    x = 107,351,365,967.08/434,625.48
  6. Step 6: Final answer
    x = 246,997.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.