Home / 278,659.02-384,552.27-151,337.10

Finding the Fourth Proportional to 278,659.02, 384,552.27 and 151,337.10

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Solution

The fourth proportional to 278,659.02, 384,552.27 and 151,337.10 is: 208,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,659.02 : 384,552.27 = 151,337.10 : x
  2. Step 2: Convert to fraction form
    278,659.02/384,552.27 = 151,337.10/x
  3. Step 3: Cross multiply
    278,659.02x = 384,552.27 × 151,337.10
  4. Step 4: Simplify right side
    278,659.02x = 58,197,025,340.22
  5. Step 5: Solve for x
    x = 58,197,025,340.22/278,659.02
  6. Step 6: Final answer
    x = 208,846.73

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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.