Home / 400,166.21-552,225.34-218,881.68

Finding the Fourth Proportional to 400,166.21, 552,225.34 and 218,881.68

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Solution

The fourth proportional to 400,166.21, 552,225.34 and 218,881.68 is: 302,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,166.21 : 552,225.34 = 218,881.68 : x
  2. Step 2: Convert to fraction form
    400,166.21/552,225.34 = 218,881.68/x
  3. Step 3: Cross multiply
    400,166.21x = 552,225.34 × 218,881.68
  4. Step 4: Simplify right side
    400,166.21x = 120,872,008,360.53
  5. Step 5: Solve for x
    x = 120,872,008,360.53/400,166.21
  6. Step 6: Final answer
    x = 302,054.51

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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.