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Finding the Fourth Proportional to 304,474.20, 456,711.30 and 304,474.20

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Solution

The fourth proportional to 304,474.20, 456,711.30 and 304,474.20 is: 456,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,474.20 : 456,711.30 = 304,474.20 : x
  2. Step 2: Convert to fraction form
    304,474.20/456,711.30 = 304,474.20/x
  3. Step 3: Cross multiply
    304,474.20x = 456,711.30 × 304,474.20
  4. Step 4: Simplify right side
    304,474.20x = 139,056,807,698.46
  5. Step 5: Solve for x
    x = 139,056,807,698.46/304,474.20
  6. Step 6: Final answer
    x = 456,711.30

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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.