Home / 314,046.08-433,361.28-170,803.20

Finding the Fourth Proportional to 314,046.08, 433,361.28 and 170,803.20

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Solution

The fourth proportional to 314,046.08, 433,361.28 and 170,803.20 is: 235,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,046.08 : 433,361.28 = 170,803.20 : x
  2. Step 2: Convert to fraction form
    314,046.08/433,361.28 = 170,803.20/x
  3. Step 3: Cross multiply
    314,046.08x = 433,361.28 × 170,803.20
  4. Step 4: Simplify right side
    314,046.08x = 74,019,493,380.10
  5. Step 5: Solve for x
    x = 74,019,493,380.10/314,046.08
  6. Step 6: Final answer
    x = 235,696.28

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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.