Home / 855,015.83-1,282,485.95-223,915.67

Finding the Fourth Proportional to 855,015.83, 1,282,485.95 and 223,915.67

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Solution

The fourth proportional to 855,015.83, 1,282,485.95 and 223,915.67 is: 335,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,015.83 : 1,282,485.95 = 223,915.67 : x
  2. Step 2: Convert to fraction form
    855,015.83/1,282,485.95 = 223,915.67/x
  3. Step 3: Cross multiply
    855,015.83x = 1,282,485.95 × 223,915.67
  4. Step 4: Simplify right side
    855,015.83x = 287,168,699,640.26
  5. Step 5: Solve for x
    x = 287,168,699,640.26/855,015.83
  6. Step 6: Final answer
    x = 335,863.61

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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.