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Finding the Fourth Proportional to 113,259.60, 169,783.29 and 38,327.29

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Solution

The fourth proportional to 113,259.60, 169,783.29 and 38,327.29 is: 57,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,259.60 : 169,783.29 = 38,327.29 : x
  2. Step 2: Convert to fraction form
    113,259.60/169,783.29 = 38,327.29/x
  3. Step 3: Cross multiply
    113,259.60x = 169,783.29 × 38,327.29
  4. Step 4: Simplify right side
    113,259.60x = 6,507,333,392.98
  5. Step 5: Solve for x
    x = 6,507,333,392.98/113,259.60
  6. Step 6: Final answer
    x = 57,455.03

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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.