Home / 291,237.30-436,855.95-113,750.10

Finding the Fourth Proportional to 291,237.30, 436,855.95 and 113,750.10

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Solution

The fourth proportional to 291,237.30, 436,855.95 and 113,750.10 is: 170,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,237.30 : 436,855.95 = 113,750.10 : x
  2. Step 2: Convert to fraction form
    291,237.30/436,855.95 = 113,750.10/x
  3. Step 3: Cross multiply
    291,237.30x = 436,855.95 × 113,750.10
  4. Step 4: Simplify right side
    291,237.30x = 49,692,407,998.10
  5. Step 5: Solve for x
    x = 49,692,407,998.10/291,237.30
  6. Step 6: Final answer
    x = 170,625.15

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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.