Home / 572,096.80-858,145.20-145,631.80

Finding the Fourth Proportional to 572,096.80, 858,145.20 and 145,631.80

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Solution

The fourth proportional to 572,096.80, 858,145.20 and 145,631.80 is: 218,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,096.80 : 858,145.20 = 145,631.80 : x
  2. Step 2: Convert to fraction form
    572,096.80/858,145.20 = 145,631.80/x
  3. Step 3: Cross multiply
    572,096.80x = 858,145.20 × 145,631.80
  4. Step 4: Simplify right side
    572,096.80x = 124,973,230,137.36
  5. Step 5: Solve for x
    x = 124,973,230,137.36/572,096.80
  6. Step 6: Final answer
    x = 218,447.70

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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.