Home / 520,051.35-780,077.03-165,093.15

Finding the Fourth Proportional to 520,051.35, 780,077.03 and 165,093.15

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Solution

The fourth proportional to 520,051.35, 780,077.03 and 165,093.15 is: 247,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,051.35 : 780,077.03 = 165,093.15 : x
  2. Step 2: Convert to fraction form
    520,051.35/780,077.03 = 165,093.15/x
  3. Step 3: Cross multiply
    520,051.35x = 780,077.03 × 165,093.15
  4. Step 4: Simplify right side
    520,051.35x = 128,785,373,299.88
  5. Step 5: Solve for x
    x = 128,785,373,299.88/520,051.35
  6. Step 6: Final answer
    x = 247,639.73

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Similar ratio
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1.5x scale

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.