Home / 291,037.89-436,556.95-130,926.80

Finding the Fourth Proportional to 291,037.89, 436,556.95 and 130,926.80

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Solution

The fourth proportional to 291,037.89, 436,556.95 and 130,926.80 is: 196,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,037.89 : 436,556.95 = 130,926.80 : x
  2. Step 2: Convert to fraction form
    291,037.89/436,556.95 = 130,926.80/x
  3. Step 3: Cross multiply
    291,037.89x = 436,556.95 × 130,926.80
  4. Step 4: Simplify right side
    291,037.89x = 57,157,005,245.34
  5. Step 5: Solve for x
    x = 57,157,005,245.34/291,037.89
  6. Step 6: Final answer
    x = 196,390.26

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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.