Home / 278,475.60-384,286.02-151,148.46

Finding the Fourth Proportional to 278,475.60, 384,286.02 and 151,148.46

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Solution

The fourth proportional to 278,475.60, 384,286.02 and 151,148.46 is: 208,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,475.60 : 384,286.02 = 151,148.46 : x
  2. Step 2: Convert to fraction form
    278,475.60/384,286.02 = 151,148.46/x
  3. Step 3: Cross multiply
    278,475.60x = 384,286.02 × 151,148.46
  4. Step 4: Simplify right side
    278,475.60x = 58,084,240,122.53
  5. Step 5: Solve for x
    x = 58,084,240,122.53/278,475.60
  6. Step 6: Final answer
    x = 208,579.28

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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.