Home / 278,807.70-384,755.04-151,483.26

Finding the Fourth Proportional to 278,807.70, 384,755.04 and 151,483.26

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Solution

The fourth proportional to 278,807.70, 384,755.04 and 151,483.26 is: 209,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,807.70 : 384,755.04 = 151,483.26 : x
  2. Step 2: Convert to fraction form
    278,807.70/384,755.04 = 151,483.26/x
  3. Step 3: Cross multiply
    278,807.70x = 384,755.04 × 151,483.26
  4. Step 4: Simplify right side
    278,807.70x = 58,283,947,760.63
  5. Step 5: Solve for x
    x = 58,283,947,760.63/278,807.70
  6. Step 6: Final answer
    x = 209,047.12

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1.5x scale

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.