Home / 401,600.48-554,212.89-220,312.76

Finding the Fourth Proportional to 401,600.48, 554,212.89 and 220,312.76

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Solution

The fourth proportional to 401,600.48, 554,212.89 and 220,312.76 is: 304,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,600.48 : 554,212.89 = 220,312.76 : x
  2. Step 2: Convert to fraction form
    401,600.48/554,212.89 = 220,312.76/x
  3. Step 3: Cross multiply
    401,600.48x = 554,212.89 × 220,312.76
  4. Step 4: Simplify right side
    401,600.48x = 122,100,168,652.41
  5. Step 5: Solve for x
    x = 122,100,168,652.41/401,600.48
  6. Step 6: Final answer
    x = 304,033.92

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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.