Home / 401,867.10-554,567.61-220,577.76

Finding the Fourth Proportional to 401,867.10, 554,567.61 and 220,577.76

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Solution

The fourth proportional to 401,867.10, 554,567.61 and 220,577.76 is: 304,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,867.10 : 554,567.61 = 220,577.76 : x
  2. Step 2: Convert to fraction form
    401,867.10/554,567.61 = 220,577.76/x
  3. Step 3: Cross multiply
    401,867.10x = 554,567.61 × 220,577.76
  4. Step 4: Simplify right side
    401,867.10x = 122,325,281,182.35
  5. Step 5: Solve for x
    x = 122,325,281,182.35/401,867.10
  6. Step 6: Final answer
    x = 304,392.38

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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.