Home / 278,475.53-384,285.96-151,148.39

Finding the Fourth Proportional to 278,475.53, 384,285.96 and 151,148.39

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Solution

The fourth proportional to 278,475.53, 384,285.96 and 151,148.39 is: 208,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,475.53 : 384,285.96 = 151,148.39 : x
  2. Step 2: Convert to fraction form
    278,475.53/384,285.96 = 151,148.39/x
  3. Step 3: Cross multiply
    278,475.53x = 384,285.96 × 151,148.39
  4. Step 4: Simplify right side
    278,475.53x = 58,084,204,153.60
  5. Step 5: Solve for x
    x = 58,084,204,153.60/278,475.53
  6. Step 6: Final answer
    x = 208,579.20

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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.