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Finding the Fourth Proportional to 334,356.48, 501,212.16 and 112,619.52

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Solution

The fourth proportional to 334,356.48, 501,212.16 and 112,619.52 is: 168,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,356.48 : 501,212.16 = 112,619.52 : x
  2. Step 2: Convert to fraction form
    334,356.48/501,212.16 = 112,619.52/x
  3. Step 3: Cross multiply
    334,356.48x = 501,212.16 × 112,619.52
  4. Step 4: Simplify right side
    334,356.48x = 56,446,272,877.36
  5. Step 5: Solve for x
    x = 56,446,272,877.36/334,356.48
  6. Step 6: Final answer
    x = 168,820.63

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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.