Home / 215,429.86-297,249.78-130,497.58

Finding the Fourth Proportional to 215,429.86, 297,249.78 and 130,497.58

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Solution

The fourth proportional to 215,429.86, 297,249.78 and 130,497.58 is: 180,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,429.86 : 297,249.78 = 130,497.58 : x
  2. Step 2: Convert to fraction form
    215,429.86/297,249.78 = 130,497.58/x
  3. Step 3: Cross multiply
    215,429.86x = 297,249.78 × 130,497.58
  4. Step 4: Simplify right side
    215,429.86x = 38,790,376,945.53
  5. Step 5: Solve for x
    x = 38,790,376,945.53/215,429.86
  6. Step 6: Final answer
    x = 180,060.35

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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.