Home / 400,165.36-552,224.18-218,880.83

Finding the Fourth Proportional to 400,165.36, 552,224.18 and 218,880.83

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Solution

The fourth proportional to 400,165.36, 552,224.18 and 218,880.83 is: 302,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,165.36 : 552,224.18 = 218,880.83 : x
  2. Step 2: Convert to fraction form
    400,165.36/552,224.18 = 218,880.83/x
  3. Step 3: Cross multiply
    400,165.36x = 552,224.18 × 218,880.83
  4. Step 4: Simplify right side
    400,165.36x = 120,871,288,792.23
  5. Step 5: Solve for x
    x = 120,871,288,792.23/400,165.36
  6. Step 6: Final answer
    x = 302,053.35

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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.