Home / 400,904.04-553,117.41-273,358.20

Finding the Fourth Proportional to 400,904.04, 553,117.41 and 273,358.20

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Solution

The fourth proportional to 400,904.04, 553,117.41 and 273,358.20 is: 377,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,904.04 : 553,117.41 = 273,358.20 : x
  2. Step 2: Convert to fraction form
    400,904.04/553,117.41 = 273,358.20/x
  3. Step 3: Cross multiply
    400,904.04x = 553,117.41 × 273,358.20
  4. Step 4: Simplify right side
    400,904.04x = 151,199,179,586.26
  5. Step 5: Solve for x
    x = 151,199,179,586.26/400,904.04
  6. Step 6: Final answer
    x = 377,145.56

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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.