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Finding the Fourth Proportional to 301,881, 416,429.37 and 245,193.96

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Solution

The fourth proportional to 301,881, 416,429.37 and 245,193.96 is: 338,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,881 : 416,429.37 = 245,193.96 : x
  2. Step 2: Convert to fraction form
    301,881/416,429.37 = 245,193.96/x
  3. Step 3: Cross multiply
    301,881x = 416,429.37 × 245,193.96
  4. Step 4: Simplify right side
    301,881x = 102,105,966,290.61
  5. Step 5: Solve for x
    x = 102,105,966,290.61/301,881
  6. Step 6: Final answer
    x = 338,232.50

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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.