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Finding the Fourth Proportional to 594,267.19, 891,470.12 and 215,366.40

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Solution

The fourth proportional to 594,267.19, 891,470.12 and 215,366.40 is: 323,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,267.19 : 891,470.12 = 215,366.40 : x
  2. Step 2: Convert to fraction form
    594,267.19/891,470.12 = 215,366.40/x
  3. Step 3: Cross multiply
    594,267.19x = 891,470.12 × 215,366.40
  4. Step 4: Simplify right side
    594,267.19x = 191,992,709,375.14
  5. Step 5: Solve for x
    x = 191,992,709,375.14/594,267.19
  6. Step 6: Final answer
    x = 323,074.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.