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Finding the Fourth Proportional to 304,313.30, 455,433.15 and 304,313.30

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Solution

The fourth proportional to 304,313.30, 455,433.15 and 304,313.30 is: 455,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313.30 : 455,433.15 = 304,313.30 : x
  2. Step 2: Convert to fraction form
    304,313.30/455,433.15 = 304,313.30/x
  3. Step 3: Cross multiply
    304,313.30x = 455,433.15 × 304,313.30
  4. Step 4: Simplify right side
    304,313.30x = 138,594,364,805.90
  5. Step 5: Solve for x
    x = 138,594,364,805.90/304,313.30
  6. Step 6: Final answer
    x = 455,433.15

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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.