Home / 401,917.53-554,690.33-229,851.50

Finding the Fourth Proportional to 401,917.53, 554,690.33 and 229,851.50

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Solution

The fourth proportional to 401,917.53, 554,690.33 and 229,851.50 is: 317,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,917.53 : 554,690.33 = 229,851.50 : x
  2. Step 2: Convert to fraction form
    401,917.53/554,690.33 = 229,851.50/x
  3. Step 3: Cross multiply
    401,917.53x = 554,690.33 × 229,851.50
  4. Step 4: Simplify right side
    401,917.53x = 127,496,404,386.00
  5. Step 5: Solve for x
    x = 127,496,404,386.00/401,917.53
  6. Step 6: Final answer
    x = 317,220.31

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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.