Home / 362,143.02-499,819.22-209,153.72

Finding the Fourth Proportional to 362,143.02, 499,819.22 and 209,153.72

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Solution

The fourth proportional to 362,143.02, 499,819.22 and 209,153.72 is: 288,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,143.02 : 499,819.22 = 209,153.72 : x
  2. Step 2: Convert to fraction form
    362,143.02/499,819.22 = 209,153.72/x
  3. Step 3: Cross multiply
    362,143.02x = 499,819.22 × 209,153.72
  4. Step 4: Simplify right side
    362,143.02x = 104,539,049,190.50
  5. Step 5: Solve for x
    x = 104,539,049,190.50/362,143.02
  6. Step 6: Final answer
    x = 288,667.86

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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.