Home / 860,286.08-1,290,166.72-229,117.92

Finding the Fourth Proportional to 860,286.08, 1,290,166.72 and 229,117.92

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Solution

The fourth proportional to 860,286.08, 1,290,166.72 and 229,117.92 is: 343,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,286.08 : 1,290,166.72 = 229,117.92 : x
  2. Step 2: Convert to fraction form
    860,286.08/1,290,166.72 = 229,117.92/x
  3. Step 3: Cross multiply
    860,286.08x = 1,290,166.72 × 229,117.92
  4. Step 4: Simplify right side
    860,286.08x = 295,600,315,339.62
  5. Step 5: Solve for x
    x = 295,600,315,339.62/860,286.08
  6. Step 6: Final answer
    x = 343,607.00

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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.