Home / 402,066.16-554,826.45-220,777.36

Finding the Fourth Proportional to 402,066.16, 554,826.45 and 220,777.36

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Solution

The fourth proportional to 402,066.16, 554,826.45 and 220,777.36 is: 304,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,066.16 : 554,826.45 = 220,777.36 : x
  2. Step 2: Convert to fraction form
    402,066.16/554,826.45 = 220,777.36/x
  3. Step 3: Cross multiply
    402,066.16x = 554,826.45 × 220,777.36
  4. Step 4: Simplify right side
    402,066.16x = 122,493,118,889.17
  5. Step 5: Solve for x
    x = 122,493,118,889.17/402,066.16
  6. Step 6: Final answer
    x = 304,659.11

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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.