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Finding the Fourth Proportional to 404,754.58, 607,063.62 and 148,534.16

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Solution

The fourth proportional to 404,754.58, 607,063.62 and 148,534.16 is: 222,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,754.58 : 607,063.62 = 148,534.16 : x
  2. Step 2: Convert to fraction form
    404,754.58/607,063.62 = 148,534.16/x
  3. Step 3: Cross multiply
    404,754.58x = 607,063.62 × 148,534.16
  4. Step 4: Simplify right side
    404,754.58x = 90,169,684,863.26
  5. Step 5: Solve for x
    x = 90,169,684,863.26/404,754.58
  6. Step 6: Final answer
    x = 222,776.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.