Home / 401,930.04-554,549.85-258,772.98

Finding the Fourth Proportional to 401,930.04, 554,549.85 and 258,772.98

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Solution

The fourth proportional to 401,930.04, 554,549.85 and 258,772.98 is: 357,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,930.04 : 554,549.85 = 258,772.98 : x
  2. Step 2: Convert to fraction form
    401,930.04/554,549.85 = 258,772.98/x
  3. Step 3: Cross multiply
    401,930.04x = 554,549.85 × 258,772.98
  4. Step 4: Simplify right side
    401,930.04x = 143,502,517,243.05
  5. Step 5: Solve for x
    x = 143,502,517,243.05/401,930.04
  6. Step 6: Final answer
    x = 357,033.57

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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.