Home / 278,644.41-384,519.02-151,317.27

Finding the Fourth Proportional to 278,644.41, 384,519.02 and 151,317.27

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Solution

The fourth proportional to 278,644.41, 384,519.02 and 151,317.27 is: 208,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,644.41 : 384,519.02 = 151,317.27 : x
  2. Step 2: Convert to fraction form
    278,644.41/384,519.02 = 151,317.27/x
  3. Step 3: Cross multiply
    278,644.41x = 384,519.02 × 151,317.27
  4. Step 4: Simplify right side
    278,644.41x = 58,184,367,612.89
  5. Step 5: Solve for x
    x = 58,184,367,612.89/278,644.41
  6. Step 6: Final answer
    x = 208,812.26

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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.