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Finding the Fourth Proportional to 423,226.62, 584,051.90 and 229,634.27

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Solution

The fourth proportional to 423,226.62, 584,051.90 and 229,634.27 is: 316,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,226.62 : 584,051.90 = 229,634.27 : x
  2. Step 2: Convert to fraction form
    423,226.62/584,051.90 = 229,634.27/x
  3. Step 3: Cross multiply
    423,226.62x = 584,051.90 × 229,634.27
  4. Step 4: Simplify right side
    423,226.62x = 134,118,329,352.44
  5. Step 5: Solve for x
    x = 134,118,329,352.44/423,226.62
  6. Step 6: Final answer
    x = 316,894.83

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1.5x scale

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.