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Finding the Fourth Proportional to 223,369.40, 335,054.10 and 185,315.60

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Solution

The fourth proportional to 223,369.40, 335,054.10 and 185,315.60 is: 277,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,369.40 : 335,054.10 = 185,315.60 : x
  2. Step 2: Convert to fraction form
    223,369.40/335,054.10 = 185,315.60/x
  3. Step 3: Cross multiply
    223,369.40x = 335,054.10 × 185,315.60
  4. Step 4: Simplify right side
    223,369.40x = 62,090,751,573.96
  5. Step 5: Solve for x
    x = 62,090,751,573.96/223,369.40
  6. Step 6: Final answer
    x = 277,973.40

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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.