Home / 278,593.02-384,459.88-151,268.62

Finding the Fourth Proportional to 278,593.02, 384,459.88 and 151,268.62

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Solution

The fourth proportional to 278,593.02, 384,459.88 and 151,268.62 is: 208,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,593.02 : 384,459.88 = 151,268.62 : x
  2. Step 2: Convert to fraction form
    278,593.02/384,459.88 = 151,268.62/x
  3. Step 3: Cross multiply
    278,593.02x = 384,459.88 × 151,268.62
  4. Step 4: Simplify right side
    278,593.02x = 58,156,715,492.97
  5. Step 5: Solve for x
    x = 58,156,715,492.97/278,593.02
  6. Step 6: Final answer
    x = 208,751.52

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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.