Home / 291,485.45-402,278.61-170,619.41

Finding the Fourth Proportional to 291,485.45, 402,278.61 and 170,619.41

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Solution

The fourth proportional to 291,485.45, 402,278.61 and 170,619.41 is: 235,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,485.45 : 402,278.61 = 170,619.41 : x
  2. Step 2: Convert to fraction form
    291,485.45/402,278.61 = 170,619.41/x
  3. Step 3: Cross multiply
    291,485.45x = 402,278.61 × 170,619.41
  4. Step 4: Simplify right side
    291,485.45x = 68,636,537,082.43
  5. Step 5: Solve for x
    x = 68,636,537,082.43/291,485.45
  6. Step 6: Final answer
    x = 235,471.58

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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.