Home / 219,100.52-328,786.86-140,271.32

Finding the Fourth Proportional to 219,100.52, 328,786.86 and 140,271.32

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Solution

The fourth proportional to 219,100.52, 328,786.86 and 140,271.32 is: 210,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,100.52 : 328,786.86 = 140,271.32 : x
  2. Step 2: Convert to fraction form
    219,100.52/328,786.86 = 140,271.32/x
  3. Step 3: Cross multiply
    219,100.52x = 328,786.86 × 140,271.32
  4. Step 4: Simplify right side
    219,100.52x = 46,119,366,850.86
  5. Step 5: Solve for x
    x = 46,119,366,850.86/219,100.52
  6. Step 6: Final answer
    x = 210,494.10

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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.