Home / 357,790.03-493,544.64-223,420.75

Finding the Fourth Proportional to 357,790.03, 493,544.64 and 223,420.75

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Solution

The fourth proportional to 357,790.03, 493,544.64 and 223,420.75 is: 308,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,790.03 : 493,544.64 = 223,420.75 : x
  2. Step 2: Convert to fraction form
    357,790.03/493,544.64 = 223,420.75/x
  3. Step 3: Cross multiply
    357,790.03x = 493,544.64 × 223,420.75
  4. Step 4: Simplify right side
    357,790.03x = 110,268,113,627.28
  5. Step 5: Solve for x
    x = 110,268,113,627.28/357,790.03
  6. Step 6: Final answer
    x = 308,192.25

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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.