Home / 278,655.02-384,546.75-151,333.10

Finding the Fourth Proportional to 278,655.02, 384,546.75 and 151,333.10

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Solution

The fourth proportional to 278,655.02, 384,546.75 and 151,333.10 is: 208,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,655.02 : 384,546.75 = 151,333.10 : x
  2. Step 2: Convert to fraction form
    278,655.02/384,546.75 = 151,333.10/x
  3. Step 3: Cross multiply
    278,655.02x = 384,546.75 × 151,333.10
  4. Step 4: Simplify right side
    278,655.02x = 58,194,651,772.43
  5. Step 5: Solve for x
    x = 58,194,651,772.43/278,655.02
  6. Step 6: Final answer
    x = 208,841.21

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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.