Home / 447,442.36-617,483.40-243,506.44

Finding the Fourth Proportional to 447,442.36, 617,483.40 and 243,506.44

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Solution

The fourth proportional to 447,442.36, 617,483.40 and 243,506.44 is: 336,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,442.36 : 617,483.40 = 243,506.44 : x
  2. Step 2: Convert to fraction form
    447,442.36/617,483.40 = 243,506.44/x
  3. Step 3: Cross multiply
    447,442.36x = 617,483.40 × 243,506.44
  4. Step 4: Simplify right side
    447,442.36x = 150,361,184,493.10
  5. Step 5: Solve for x
    x = 150,361,184,493.10/447,442.36
  6. Step 6: Final answer
    x = 336,045.93

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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.