Home / 317,629.19-476,342.64-104,347.60

Finding the Fourth Proportional to 317,629.19, 476,342.64 and 104,347.60

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Solution

The fourth proportional to 317,629.19, 476,342.64 and 104,347.60 is: 156,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,629.19 : 476,342.64 = 104,347.60 : x
  2. Step 2: Convert to fraction form
    317,629.19/476,342.64 = 104,347.60/x
  3. Step 3: Cross multiply
    317,629.19x = 476,342.64 × 104,347.60
  4. Step 4: Simplify right side
    317,629.19x = 49,705,211,261.66
  5. Step 5: Solve for x
    x = 49,705,211,261.66/317,629.19
  6. Step 6: Final answer
    x = 156,488.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.