Home / 401,317.22-553,626.96-240,139.82

Finding the Fourth Proportional to 401,317.22, 553,626.96 and 240,139.82

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Solution

The fourth proportional to 401,317.22, 553,626.96 and 240,139.82 is: 331,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,317.22 : 553,626.96 = 240,139.82 : x
  2. Step 2: Convert to fraction form
    401,317.22/553,626.96 = 240,139.82/x
  3. Step 3: Cross multiply
    401,317.22x = 553,626.96 × 240,139.82
  4. Step 4: Simplify right side
    401,317.22x = 132,947,878,521.55
  5. Step 5: Solve for x
    x = 132,947,878,521.55/401,317.22
  6. Step 6: Final answer
    x = 331,278.78

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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.