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Finding the Fourth Proportional to 329,387, 454,554.06 and 178,484

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Solution

The fourth proportional to 329,387, 454,554.06 and 178,484 is: 246,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,387 : 454,554.06 = 178,484 : x
  2. Step 2: Convert to fraction form
    329,387/454,554.06 = 178,484/x
  3. Step 3: Cross multiply
    329,387x = 454,554.06 × 178,484
  4. Step 4: Simplify right side
    329,387x = 81,130,626,845.04
  5. Step 5: Solve for x
    x = 81,130,626,845.04/329,387
  6. Step 6: Final answer
    x = 246,307.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.