Home / 278,100.57-383,779.62-150,776.22

Finding the Fourth Proportional to 278,100.57, 383,779.62 and 150,776.22

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Solution

The fourth proportional to 278,100.57, 383,779.62 and 150,776.22 is: 208,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,100.57 : 383,779.62 = 150,776.22 : x
  2. Step 2: Convert to fraction form
    278,100.57/383,779.62 = 150,776.22/x
  3. Step 3: Cross multiply
    278,100.57x = 383,779.62 × 150,776.22
  4. Step 4: Simplify right side
    278,100.57x = 57,864,840,416.64
  5. Step 5: Solve for x
    x = 57,864,840,416.64/278,100.57
  6. Step 6: Final answer
    x = 208,071.64

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1.5x scale

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.