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Finding the Fourth Proportional to 358,933, 495,327.54 and 208,117.48

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Solution

The fourth proportional to 358,933, 495,327.54 and 208,117.48 is: 287,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,933 : 495,327.54 = 208,117.48 : x
  2. Step 2: Convert to fraction form
    358,933/495,327.54 = 208,117.48/x
  3. Step 3: Cross multiply
    358,933x = 495,327.54 × 208,117.48
  4. Step 4: Simplify right side
    358,933x = 103,086,319,399.40
  5. Step 5: Solve for x
    x = 103,086,319,399.40/358,933
  6. Step 6: Final answer
    x = 287,202.12

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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.