Home / 420,834.66-580,751.83-229,848.50

Finding the Fourth Proportional to 420,834.66, 580,751.83 and 229,848.50

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Solution

The fourth proportional to 420,834.66, 580,751.83 and 229,848.50 is: 317,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,834.66 : 580,751.83 = 229,848.50 : x
  2. Step 2: Convert to fraction form
    420,834.66/580,751.83 = 229,848.50/x
  3. Step 3: Cross multiply
    420,834.66x = 580,751.83 × 229,848.50
  4. Step 4: Simplify right side
    420,834.66x = 133,484,937,444.05
  5. Step 5: Solve for x
    x = 133,484,937,444.05/420,834.66
  6. Step 6: Final answer
    x = 317,190.93

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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.