Home / 455,283.04-628,274.12-251,329.58

Finding the Fourth Proportional to 455,283.04, 628,274.12 and 251,329.58

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Solution

The fourth proportional to 455,283.04, 628,274.12 and 251,329.58 is: 346,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,283.04 : 628,274.12 = 251,329.58 : x
  2. Step 2: Convert to fraction form
    455,283.04/628,274.12 = 251,329.58/x
  3. Step 3: Cross multiply
    455,283.04x = 628,274.12 × 251,329.58
  4. Step 4: Simplify right side
    455,283.04x = 157,903,870,704.47
  5. Step 5: Solve for x
    x = 157,903,870,704.47/455,283.04
  6. Step 6: Final answer
    x = 346,825.73

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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.