Home / 434,620.10-651,152.55-268,213.70

Finding the Fourth Proportional to 434,620.10, 651,152.55 and 268,213.70

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Solution

The fourth proportional to 434,620.10, 651,152.55 and 268,213.70 is: 401,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,620.10 : 651,152.55 = 268,213.70 : x
  2. Step 2: Convert to fraction form
    434,620.10/651,152.55 = 268,213.70/x
  3. Step 3: Cross multiply
    434,620.10x = 651,152.55 × 268,213.70
  4. Step 4: Simplify right side
    434,620.10x = 174,648,034,699.94
  5. Step 5: Solve for x
    x = 174,648,034,699.94/434,620.10
  6. Step 6: Final answer
    x = 401,840.68

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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.