Home / 289,975.50-400,165.37-160,933.46

Finding the Fourth Proportional to 289,975.50, 400,165.37 and 160,933.46

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Solution

The fourth proportional to 289,975.50, 400,165.37 and 160,933.46 is: 222,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,975.50 : 400,165.37 = 160,933.46 : x
  2. Step 2: Convert to fraction form
    289,975.50/400,165.37 = 160,933.46/x
  3. Step 3: Cross multiply
    289,975.50x = 400,165.37 × 160,933.46
  4. Step 4: Simplify right side
    289,975.50x = 64,399,997,566.28
  5. Step 5: Solve for x
    x = 64,399,997,566.28/289,975.50
  6. Step 6: Final answer
    x = 222,087.72

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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.