Home / 455,811.48-629,006.61-251,859.15

Finding the Fourth Proportional to 455,811.48, 629,006.61 and 251,859.15

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Solution

The fourth proportional to 455,811.48, 629,006.61 and 251,859.15 is: 347,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,811.48 : 629,006.61 = 251,859.15 : x
  2. Step 2: Convert to fraction form
    455,811.48/629,006.61 = 251,859.15/x
  3. Step 3: Cross multiply
    455,811.48x = 629,006.61 × 251,859.15
  4. Step 4: Simplify right side
    455,811.48x = 158,421,070,138.98
  5. Step 5: Solve for x
    x = 158,421,070,138.98/455,811.48
  6. Step 6: Final answer
    x = 347,558.32

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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.