Home / 291,534.09-402,179.58-170,601.21

Finding the Fourth Proportional to 291,534.09, 402,179.58 and 170,601.21

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Solution

The fourth proportional to 291,534.09, 402,179.58 and 170,601.21 is: 235,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,534.09 : 402,179.58 = 170,601.21 : x
  2. Step 2: Convert to fraction form
    291,534.09/402,179.58 = 170,601.21/x
  3. Step 3: Cross multiply
    291,534.09x = 402,179.58 × 170,601.21
  4. Step 4: Simplify right side
    291,534.09x = 68,612,322,985.29
  5. Step 5: Solve for x
    x = 68,612,322,985.29/291,534.09
  6. Step 6: Final answer
    x = 235,349.23

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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.