Home / 429,052.23-643,487.22-162,719.37

Finding the Fourth Proportional to 429,052.23, 643,487.22 and 162,719.37

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Solution

The fourth proportional to 429,052.23, 643,487.22 and 162,719.37 is: 244,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,052.23 : 643,487.22 = 162,719.37 : x
  2. Step 2: Convert to fraction form
    429,052.23/643,487.22 = 162,719.37/x
  3. Step 3: Cross multiply
    429,052.23x = 643,487.22 × 162,719.37
  4. Step 4: Simplify right side
    429,052.23x = 104,707,835,041.45
  5. Step 5: Solve for x
    x = 104,707,835,041.45/429,052.23
  6. Step 6: Final answer
    x = 244,044.50

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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.