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Finding the Fourth Proportional to 304,032.20, 456,048.30 and 204,499.40

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Solution

The fourth proportional to 304,032.20, 456,048.30 and 204,499.40 is: 306,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,032.20 : 456,048.30 = 204,499.40 : x
  2. Step 2: Convert to fraction form
    304,032.20/456,048.30 = 204,499.40/x
  3. Step 3: Cross multiply
    304,032.20x = 456,048.30 × 204,499.40
  4. Step 4: Simplify right side
    304,032.20x = 93,261,603,721.02
  5. Step 5: Solve for x
    x = 93,261,603,721.02/304,032.20
  6. Step 6: Final answer
    x = 306,749.10

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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.