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Finding the Fourth Proportional to 335,111.88, 502,561.16 and 110,430.40

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Solution

The fourth proportional to 335,111.88, 502,561.16 and 110,430.40 is: 165,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,111.88 : 502,561.16 = 110,430.40 : x
  2. Step 2: Convert to fraction form
    335,111.88/502,561.16 = 110,430.40/x
  3. Step 3: Cross multiply
    335,111.88x = 502,561.16 × 110,430.40
  4. Step 4: Simplify right side
    335,111.88x = 55,498,029,923.26
  5. Step 5: Solve for x
    x = 55,498,029,923.26/335,111.88
  6. Step 6: Final answer
    x = 165,610.45

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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.