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Finding the Fourth Proportional to 329,305.30, 492,791.55 and 224,329.30

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Solution

The fourth proportional to 329,305.30, 492,791.55 and 224,329.30 is: 335,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,305.30 : 492,791.55 = 224,329.30 : x
  2. Step 2: Convert to fraction form
    329,305.30/492,791.55 = 224,329.30/x
  3. Step 3: Cross multiply
    329,305.30x = 492,791.55 × 224,329.30
  4. Step 4: Simplify right side
    329,305.30x = 110,547,583,457.42
  5. Step 5: Solve for x
    x = 110,547,583,457.42/329,305.30
  6. Step 6: Final answer
    x = 335,699.38

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1.5x scale

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.