Home / 318,090.24-438,974.64-174,856.32

Finding the Fourth Proportional to 318,090.24, 438,974.64 and 174,856.32

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Solution

The fourth proportional to 318,090.24, 438,974.64 and 174,856.32 is: 241,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,090.24 : 438,974.64 = 174,856.32 : x
  2. Step 2: Convert to fraction form
    318,090.24/438,974.64 = 174,856.32/x
  3. Step 3: Cross multiply
    318,090.24x = 438,974.64 × 174,856.32
  4. Step 4: Simplify right side
    318,090.24x = 76,757,490,123.72
  5. Step 5: Solve for x
    x = 76,757,490,123.72/318,090.24
  6. Step 6: Final answer
    x = 241,307.28

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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.