Home / 455,819.36-629,030.51-251,868.50

Finding the Fourth Proportional to 455,819.36, 629,030.51 and 251,868.50

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Solution

The fourth proportional to 455,819.36, 629,030.51 and 251,868.50 is: 347,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,819.36 : 629,030.51 = 251,868.50 : x
  2. Step 2: Convert to fraction form
    455,819.36/629,030.51 = 251,868.50/x
  3. Step 3: Cross multiply
    455,819.36x = 629,030.51 × 251,868.50
  4. Step 4: Simplify right side
    455,819.36x = 158,432,971,007.94
  5. Step 5: Solve for x
    x = 158,432,971,007.94/455,819.36
  6. Step 6: Final answer
    x = 347,578.42

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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.