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Finding the Fourth Proportional to 208,353.66, 287,549.34 and 150,258.39

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Solution

The fourth proportional to 208,353.66, 287,549.34 and 150,258.39 is: 207,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,353.66 : 287,549.34 = 150,258.39 : x
  2. Step 2: Convert to fraction form
    208,353.66/287,549.34 = 150,258.39/x
  3. Step 3: Cross multiply
    208,353.66x = 287,549.34 × 150,258.39
  4. Step 4: Simplify right side
    208,353.66x = 43,206,699,232.18
  5. Step 5: Solve for x
    x = 43,206,699,232.18/208,353.66
  6. Step 6: Final answer
    x = 207,371.93

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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.