Home / 455,325.23-628,369.85-251,405.10

Finding the Fourth Proportional to 455,325.23, 628,369.85 and 251,405.10

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Solution

The fourth proportional to 455,325.23, 628,369.85 and 251,405.10 is: 346,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,325.23 : 628,369.85 = 251,405.10 : x
  2. Step 2: Convert to fraction form
    455,325.23/628,369.85 = 251,405.10/x
  3. Step 3: Cross multiply
    455,325.23x = 628,369.85 × 251,405.10
  4. Step 4: Simplify right side
    455,325.23x = 157,975,385,604.75
  5. Step 5: Solve for x
    x = 157,975,385,604.75/455,325.23
  6. Step 6: Final answer
    x = 346,950.65

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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.