Home / 317,458.40-437,967.87-181,419.36

Finding the Fourth Proportional to 317,458.40, 437,967.87 and 181,419.36

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Solution

The fourth proportional to 317,458.40, 437,967.87 and 181,419.36 is: 250,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,458.40 : 437,967.87 = 181,419.36 : x
  2. Step 2: Convert to fraction form
    317,458.40/437,967.87 = 181,419.36/x
  3. Step 3: Cross multiply
    317,458.40x = 437,967.87 × 181,419.36
  4. Step 4: Simplify right side
    317,458.40x = 79,455,850,675.96
  5. Step 5: Solve for x
    x = 79,455,850,675.96/317,458.40
  6. Step 6: Final answer
    x = 250,287.44

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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.