Home / 455,274.12-628,313.04-251,364.30

Finding the Fourth Proportional to 455,274.12, 628,313.04 and 251,364.30

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Solution

The fourth proportional to 455,274.12, 628,313.04 and 251,364.30 is: 346,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,274.12 : 628,313.04 = 251,364.30 : x
  2. Step 2: Convert to fraction form
    455,274.12/628,313.04 = 251,364.30/x
  3. Step 3: Cross multiply
    455,274.12x = 628,313.04 × 251,364.30
  4. Step 4: Simplify right side
    455,274.12x = 157,935,467,480.47
  5. Step 5: Solve for x
    x = 157,935,467,480.47/455,274.12
  6. Step 6: Final answer
    x = 346,901.92

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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.