Home / 248,845.60-373,268.40-149,312.80

Finding the Fourth Proportional to 248,845.60, 373,268.40 and 149,312.80

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Solution

The fourth proportional to 248,845.60, 373,268.40 and 149,312.80 is: 223,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,845.60 : 373,268.40 = 149,312.80 : x
  2. Step 2: Convert to fraction form
    248,845.60/373,268.40 = 149,312.80/x
  3. Step 3: Cross multiply
    248,845.60x = 373,268.40 × 149,312.80
  4. Step 4: Simplify right side
    248,845.60x = 55,733,749,955.52
  5. Step 5: Solve for x
    x = 55,733,749,955.52/248,845.60
  6. Step 6: Final answer
    x = 223,969.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.