Home / 373,945.11-515,782.40-253,033.17

Finding the Fourth Proportional to 373,945.11, 515,782.40 and 253,033.17

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Solution

The fourth proportional to 373,945.11, 515,782.40 and 253,033.17 is: 349,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,945.11 : 515,782.40 = 253,033.17 : x
  2. Step 2: Convert to fraction form
    373,945.11/515,782.40 = 253,033.17/x
  3. Step 3: Cross multiply
    373,945.11x = 515,782.40 × 253,033.17
  4. Step 4: Simplify right side
    373,945.11x = 130,510,054,437.04
  5. Step 5: Solve for x
    x = 130,510,054,437.04/373,945.11
  6. Step 6: Final answer
    x = 349,008.59

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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.