Home / 434,228.20-651,320.70-223,887.40

Finding the Fourth Proportional to 434,228.20, 651,320.70 and 223,887.40

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Solution

The fourth proportional to 434,228.20, 651,320.70 and 223,887.40 is: 335,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,228.20 : 651,320.70 = 223,887.40 : x
  2. Step 2: Convert to fraction form
    434,228.20/651,320.70 = 223,887.40/x
  3. Step 3: Cross multiply
    434,228.20x = 651,320.70 × 223,887.40
  4. Step 4: Simplify right side
    434,228.20x = 145,822,498,089.18
  5. Step 5: Solve for x
    x = 145,822,498,089.18/434,228.20
  6. Step 6: Final answer
    x = 335,819.96

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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.