Home / 400,906.04-553,120.16-273,360.20

Finding the Fourth Proportional to 400,906.04, 553,120.16 and 273,360.20

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Solution

The fourth proportional to 400,906.04, 553,120.16 and 273,360.20 is: 377,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,906.04 : 553,120.16 = 273,360.20 : x
  2. Step 2: Convert to fraction form
    400,906.04/553,120.16 = 273,360.20/x
  3. Step 3: Cross multiply
    400,906.04x = 553,120.16 × 273,360.20
  4. Step 4: Simplify right side
    400,906.04x = 151,201,037,561.63
  5. Step 5: Solve for x
    x = 151,201,037,561.63/400,906.04
  6. Step 6: Final answer
    x = 377,148.32

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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.