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Finding the Fourth Proportional to 329,904.90, 494,857.35 and 291,851.10

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Solution

The fourth proportional to 329,904.90, 494,857.35 and 291,851.10 is: 437,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,904.90 : 494,857.35 = 291,851.10 : x
  2. Step 2: Convert to fraction form
    329,904.90/494,857.35 = 291,851.10/x
  3. Step 3: Cross multiply
    329,904.90x = 494,857.35 × 291,851.10
  4. Step 4: Simplify right side
    329,904.90x = 144,424,661,940.59
  5. Step 5: Solve for x
    x = 144,424,661,940.59/329,904.90
  6. Step 6: Final answer
    x = 437,776.65

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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.