Home / 455,281.29-628,322.94-251,371.35

Finding the Fourth Proportional to 455,281.29, 628,322.94 and 251,371.35

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Solution

The fourth proportional to 455,281.29, 628,322.94 and 251,371.35 is: 346,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,281.29 : 628,322.94 = 251,371.35 : x
  2. Step 2: Convert to fraction form
    455,281.29/628,322.94 = 251,371.35/x
  3. Step 3: Cross multiply
    455,281.29x = 628,322.94 × 251,371.35
  4. Step 4: Simplify right side
    455,281.29x = 157,942,385,663.77
  5. Step 5: Solve for x
    x = 157,942,385,663.77/455,281.29
  6. Step 6: Final answer
    x = 346,911.65

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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.