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Finding the Fourth Proportional to 455,297.04, 628,373.28 and 254,106

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Solution

The fourth proportional to 455,297.04, 628,373.28 and 254,106 is: 350,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,297.04 : 628,373.28 = 254,106 : x
  2. Step 2: Convert to fraction form
    455,297.04/628,373.28 = 254,106/x
  3. Step 3: Cross multiply
    455,297.04x = 628,373.28 × 254,106
  4. Step 4: Simplify right side
    455,297.04x = 159,673,420,687.68
  5. Step 5: Solve for x
    x = 159,673,420,687.68/455,297.04
  6. Step 6: Final answer
    x = 350,701.64

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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.