Home / 356,904.41-492,526.77-220,911.29

Finding the Fourth Proportional to 356,904.41, 492,526.77 and 220,911.29

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Solution

The fourth proportional to 356,904.41, 492,526.77 and 220,911.29 is: 304,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,904.41 : 492,526.77 = 220,911.29 : x
  2. Step 2: Convert to fraction form
    356,904.41/492,526.77 = 220,911.29/x
  3. Step 3: Cross multiply
    356,904.41x = 492,526.77 × 220,911.29
  4. Step 4: Simplify right side
    356,904.41x = 108,804,721,657.60
  5. Step 5: Solve for x
    x = 108,804,721,657.60/356,904.41
  6. Step 6: Final answer
    x = 304,856.76

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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.