Home / 386,389.13-533,035.55-273,274.25

Finding the Fourth Proportional to 386,389.13, 533,035.55 and 273,274.25

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Solution

The fourth proportional to 386,389.13, 533,035.55 and 273,274.25 is: 376,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,389.13 : 533,035.55 = 273,274.25 : x
  2. Step 2: Convert to fraction form
    386,389.13/533,035.55 = 273,274.25/x
  3. Step 3: Cross multiply
    386,389.13x = 533,035.55 × 273,274.25
  4. Step 4: Simplify right side
    386,389.13x = 145,664,888,167.60
  5. Step 5: Solve for x
    x = 145,664,888,167.60/386,389.13
  6. Step 6: Final answer
    x = 376,990.13

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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.