Home / 219,100.77-328,787.24-140,271.57

Finding the Fourth Proportional to 219,100.77, 328,787.24 and 140,271.57

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Solution

The fourth proportional to 219,100.77, 328,787.24 and 140,271.57 is: 210,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,100.77 : 328,787.24 = 140,271.57 : x
  2. Step 2: Convert to fraction form
    219,100.77/328,787.24 = 140,271.57/x
  3. Step 3: Cross multiply
    219,100.77x = 328,787.24 × 140,271.57
  4. Step 4: Simplify right side
    219,100.77x = 46,119,501,649.41
  5. Step 5: Solve for x
    x = 46,119,501,649.41/219,100.77
  6. Step 6: Final answer
    x = 210,494.48

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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.