Home / 212,941.40-319,412.10-174,887.60

Finding the Fourth Proportional to 212,941.40, 319,412.10 and 174,887.60

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Solution

The fourth proportional to 212,941.40, 319,412.10 and 174,887.60 is: 262,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,941.40 : 319,412.10 = 174,887.60 : x
  2. Step 2: Convert to fraction form
    212,941.40/319,412.10 = 174,887.60/x
  3. Step 3: Cross multiply
    212,941.40x = 319,412.10 × 174,887.60
  4. Step 4: Simplify right side
    212,941.40x = 55,861,215,579.96
  5. Step 5: Solve for x
    x = 55,861,215,579.96/212,941.40
  6. Step 6: Final answer
    x = 262,331.40

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1.5x scale

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.