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Finding the Fourth Proportional to 358,666.77, 495,198.35 and 222,903.30

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Solution

The fourth proportional to 358,666.77, 495,198.35 and 222,903.30 is: 307,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,666.77 : 495,198.35 = 222,903.30 : x
  2. Step 2: Convert to fraction form
    358,666.77/495,198.35 = 222,903.30/x
  3. Step 3: Cross multiply
    358,666.77x = 495,198.35 × 222,903.30
  4. Step 4: Simplify right side
    358,666.77x = 110,381,346,369.56
  5. Step 5: Solve for x
    x = 110,381,346,369.56/358,666.77
  6. Step 6: Final answer
    x = 307,754.59

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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.