Home / 399,054.36-598,667.08-114,742.42

Finding the Fourth Proportional to 399,054.36, 598,667.08 and 114,742.42

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Solution

The fourth proportional to 399,054.36, 598,667.08 and 114,742.42 is: 172,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,054.36 : 598,667.08 = 114,742.42 : x
  2. Step 2: Convert to fraction form
    399,054.36/598,667.08 = 114,742.42/x
  3. Step 3: Cross multiply
    399,054.36x = 598,667.08 × 114,742.42
  4. Step 4: Simplify right side
    399,054.36x = 68,692,509,533.53
  5. Step 5: Solve for x
    x = 68,692,509,533.53/399,054.36
  6. Step 6: Final answer
    x = 172,138.23

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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.