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Finding the Fourth Proportional to 223,347.78, 335,071.08 and 73,582.02

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Solution

The fourth proportional to 223,347.78, 335,071.08 and 73,582.02 is: 110,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,347.78 : 335,071.08 = 73,582.02 : x
  2. Step 2: Convert to fraction form
    223,347.78/335,071.08 = 73,582.02/x
  3. Step 3: Cross multiply
    223,347.78x = 335,071.08 × 73,582.02
  4. Step 4: Simplify right side
    223,347.78x = 24,655,206,909.98
  5. Step 5: Solve for x
    x = 24,655,206,909.98/223,347.78
  6. Step 6: Final answer
    x = 110,389.31

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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.