Home / 455,948.04-629,188.72-251,988.42

Finding the Fourth Proportional to 455,948.04, 629,188.72 and 251,988.42

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Solution

The fourth proportional to 455,948.04, 629,188.72 and 251,988.42 is: 347,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,948.04 : 629,188.72 = 251,988.42 : x
  2. Step 2: Convert to fraction form
    455,948.04/629,188.72 = 251,988.42/x
  3. Step 3: Cross multiply
    455,948.04x = 629,188.72 × 251,988.42
  4. Step 4: Simplify right side
    455,948.04x = 158,548,271,434.62
  5. Step 5: Solve for x
    x = 158,548,271,434.62/455,948.04
  6. Step 6: Final answer
    x = 347,733.20

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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.