Home / 317,282.10-437,848.08-196,399.32

Finding the Fourth Proportional to 317,282.10, 437,848.08 and 196,399.32

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Solution

The fourth proportional to 317,282.10, 437,848.08 and 196,399.32 is: 271,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,282.10 : 437,848.08 = 196,399.32 : x
  2. Step 2: Convert to fraction form
    317,282.10/437,848.08 = 196,399.32/x
  3. Step 3: Cross multiply
    317,282.10x = 437,848.08 × 196,399.32
  4. Step 4: Simplify right side
    317,282.10x = 85,993,065,175.31
  5. Step 5: Solve for x
    x = 85,993,065,175.31/317,282.10
  6. Step 6: Final answer
    x = 271,030.31

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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.