Home / 219,029.70-328,544.55-144,234.30

Finding the Fourth Proportional to 219,029.70, 328,544.55 and 144,234.30

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Solution

The fourth proportional to 219,029.70, 328,544.55 and 144,234.30 is: 216,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,029.70 : 328,544.55 = 144,234.30 : x
  2. Step 2: Convert to fraction form
    219,029.70/328,544.55 = 144,234.30/x
  3. Step 3: Cross multiply
    219,029.70x = 328,544.55 × 144,234.30
  4. Step 4: Simplify right side
    219,029.70x = 47,387,393,188.07
  5. Step 5: Solve for x
    x = 47,387,393,188.07/219,029.70
  6. Step 6: Final answer
    x = 216,351.45

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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.