Home / 246,421.20-369,631.80-215,317.20

Finding the Fourth Proportional to 246,421.20, 369,631.80 and 215,317.20

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Solution

The fourth proportional to 246,421.20, 369,631.80 and 215,317.20 is: 322,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,421.20 : 369,631.80 = 215,317.20 : x
  2. Step 2: Convert to fraction form
    246,421.20/369,631.80 = 215,317.20/x
  3. Step 3: Cross multiply
    246,421.20x = 369,631.80 × 215,317.20
  4. Step 4: Simplify right side
    246,421.20x = 79,588,084,206.96
  5. Step 5: Solve for x
    x = 79,588,084,206.96/246,421.20
  6. Step 6: Final answer
    x = 322,975.80

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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.