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Finding the Fourth Proportional to 304,610.62, 420,307.68 and 175,525.78

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Solution

The fourth proportional to 304,610.62, 420,307.68 and 175,525.78 is: 242,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,610.62 : 420,307.68 = 175,525.78 : x
  2. Step 2: Convert to fraction form
    304,610.62/420,307.68 = 175,525.78/x
  3. Step 3: Cross multiply
    304,610.62x = 420,307.68 × 175,525.78
  4. Step 4: Simplify right side
    304,610.62x = 73,774,833,371.99
  5. Step 5: Solve for x
    x = 73,774,833,371.99/304,610.62
  6. Step 6: Final answer
    x = 242,193.90

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1.5x scale

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.