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Finding the Fourth Proportional to 335,054.80, 503,165.40 and 177,590.80

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Solution

The fourth proportional to 335,054.80, 503,165.40 and 177,590.80 is: 266,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,054.80 : 503,165.40 = 177,590.80 : x
  2. Step 2: Convert to fraction form
    335,054.80/503,165.40 = 177,590.80/x
  3. Step 3: Cross multiply
    335,054.80x = 503,165.40 × 177,590.80
  4. Step 4: Simplify right side
    335,054.80x = 89,357,545,918.32
  5. Step 5: Solve for x
    x = 89,357,545,918.32/335,054.80
  6. Step 6: Final answer
    x = 266,695.32

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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.