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Finding the Fourth Proportional to 479,866.63, 719,227.38 and 223,354.01

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Solution

The fourth proportional to 479,866.63, 719,227.38 and 223,354.01 is: 334,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,866.63 : 719,227.38 = 223,354.01 : x
  2. Step 2: Convert to fraction form
    479,866.63/719,227.38 = 223,354.01/x
  3. Step 3: Cross multiply
    479,866.63x = 719,227.38 × 223,354.01
  4. Step 4: Simplify right side
    479,866.63x = 160,642,319,424.79
  5. Step 5: Solve for x
    x = 160,642,319,424.79/479,866.63
  6. Step 6: Final answer
    x = 334,764.51

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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.