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Finding the Fourth Proportional to 329,155.77, 493,412.32 and 160,669.29

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Solution

The fourth proportional to 329,155.77, 493,412.32 and 160,669.29 is: 240,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,155.77 : 493,412.32 = 160,669.29 : x
  2. Step 2: Convert to fraction form
    329,155.77/493,412.32 = 160,669.29/x
  3. Step 3: Cross multiply
    329,155.77x = 493,412.32 × 160,669.29
  4. Step 4: Simplify right side
    329,155.77x = 79,276,207,131.65
  5. Step 5: Solve for x
    x = 79,276,207,131.65/329,155.77
  6. Step 6: Final answer
    x = 240,847.08

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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.