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Finding the Fourth Proportional to 358,770.06, 495,105.21 and 205,814.93

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Solution

The fourth proportional to 358,770.06, 495,105.21 and 205,814.93 is: 284,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,770.06 : 495,105.21 = 205,814.93 : x
  2. Step 2: Convert to fraction form
    358,770.06/495,105.21 = 205,814.93/x
  3. Step 3: Cross multiply
    358,770.06x = 495,105.21 × 205,814.93
  4. Step 4: Simplify right side
    358,770.06x = 101,900,041,663.26
  5. Step 5: Solve for x
    x = 101,900,041,663.26/358,770.06
  6. Step 6: Final answer
    x = 284,026.05

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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.