Home / 314,725.37-434,321.07-171,485.44

Finding the Fourth Proportional to 314,725.37, 434,321.07 and 171,485.44

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Solution

The fourth proportional to 314,725.37, 434,321.07 and 171,485.44 is: 236,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,725.37 : 434,321.07 = 171,485.44 : x
  2. Step 2: Convert to fraction form
    314,725.37/434,321.07 = 171,485.44/x
  3. Step 3: Cross multiply
    314,725.37x = 434,321.07 × 171,485.44
  4. Step 4: Simplify right side
    314,725.37x = 74,479,737,618.62
  5. Step 5: Solve for x
    x = 74,479,737,618.62/314,725.37
  6. Step 6: Final answer
    x = 236,649.93

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1.5x scale

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.