Home / 278,926.02-384,919.29-151,604.10

Finding the Fourth Proportional to 278,926.02, 384,919.29 and 151,604.10

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Solution

The fourth proportional to 278,926.02, 384,919.29 and 151,604.10 is: 209,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,926.02 : 384,919.29 = 151,604.10 : x
  2. Step 2: Convert to fraction form
    278,926.02/384,919.29 = 151,604.10/x
  3. Step 3: Cross multiply
    278,926.02x = 384,919.29 × 151,604.10
  4. Step 4: Simplify right side
    278,926.02x = 58,355,342,533.09
  5. Step 5: Solve for x
    x = 58,355,342,533.09/278,926.02
  6. Step 6: Final answer
    x = 209,214.41

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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.