Home / 455,977.89-629,251.96-249,246.56

Finding the Fourth Proportional to 455,977.89, 629,251.96 and 249,246.56

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Solution

The fourth proportional to 455,977.89, 629,251.96 and 249,246.56 is: 343,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,977.89 : 629,251.96 = 249,246.56 : x
  2. Step 2: Convert to fraction form
    455,977.89/629,251.96 = 249,246.56/x
  3. Step 3: Cross multiply
    455,977.89x = 629,251.96 × 249,246.56
  4. Step 4: Simplify right side
    455,977.89x = 156,838,886,403.26
  5. Step 5: Solve for x
    x = 156,838,886,403.26/455,977.89
  6. Step 6: Final answer
    x = 343,961.60

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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.