Home / 357,785.03-493,537.75-223,415.75

Finding the Fourth Proportional to 357,785.03, 493,537.75 and 223,415.75

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Solution

The fourth proportional to 357,785.03, 493,537.75 and 223,415.75 is: 308,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,785.03 : 493,537.75 = 223,415.75 : x
  2. Step 2: Convert to fraction form
    357,785.03/493,537.75 = 223,415.75/x
  3. Step 3: Cross multiply
    357,785.03x = 493,537.75 × 223,415.75
  4. Step 4: Simplify right side
    357,785.03x = 110,264,106,569.56
  5. Step 5: Solve for x
    x = 110,264,106,569.56/357,785.03
  6. Step 6: Final answer
    x = 308,185.36

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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.