Home / 401,814.46-554,502.28-220,529.36

Finding the Fourth Proportional to 401,814.46, 554,502.28 and 220,529.36

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Solution

The fourth proportional to 401,814.46, 554,502.28 and 220,529.36 is: 304,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,814.46 : 554,502.28 = 220,529.36 : x
  2. Step 2: Convert to fraction form
    401,814.46/554,502.28 = 220,529.36/x
  3. Step 3: Cross multiply
    401,814.46x = 554,502.28 × 220,529.36
  4. Step 4: Simplify right side
    401,814.46x = 122,284,032,926.94
  5. Step 5: Solve for x
    x = 122,284,032,926.94/401,814.46
  6. Step 6: Final answer
    x = 304,329.60

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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.