Home / 219,411.02-328,847.27-124,720.45

Finding the Fourth Proportional to 219,411.02, 328,847.27 and 124,720.45

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Solution

The fourth proportional to 219,411.02, 328,847.27 and 124,720.45 is: 186,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,411.02 : 328,847.27 = 124,720.45 : x
  2. Step 2: Convert to fraction form
    219,411.02/328,847.27 = 124,720.45/x
  3. Step 3: Cross multiply
    219,411.02x = 328,847.27 × 124,720.45
  4. Step 4: Simplify right side
    219,411.02x = 41,013,978,049.95
  5. Step 5: Solve for x
    x = 41,013,978,049.95/219,411.02
  6. Step 6: Final answer
    x = 186,927.61

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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.