Home / 357,637.85-493,334.91-223,268.57

Finding the Fourth Proportional to 357,637.85, 493,334.91 and 223,268.57

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Solution

The fourth proportional to 357,637.85, 493,334.91 and 223,268.57 is: 307,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,637.85 : 493,334.91 = 223,268.57 : x
  2. Step 2: Convert to fraction form
    357,637.85/493,334.91 = 223,268.57/x
  3. Step 3: Cross multiply
    357,637.85x = 493,334.91 × 223,268.57
  4. Step 4: Simplify right side
    357,637.85x = 110,146,179,886.78
  5. Step 5: Solve for x
    x = 110,146,179,886.78/357,637.85
  6. Step 6: Final answer
    x = 307,982.45

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1.5x scale

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.