Home / 317,196.36-437,765.34-202,580.28

Finding the Fourth Proportional to 317,196.36, 437,765.34 and 202,580.28

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Solution

The fourth proportional to 317,196.36, 437,765.34 and 202,580.28 is: 279,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,196.36 : 437,765.34 = 202,580.28 : x
  2. Step 2: Convert to fraction form
    317,196.36/437,765.34 = 202,580.28/x
  3. Step 3: Cross multiply
    317,196.36x = 437,765.34 × 202,580.28
  4. Step 4: Simplify right side
    317,196.36x = 88,682,625,151.50
  5. Step 5: Solve for x
    x = 88,682,625,151.50/317,196.36
  6. Step 6: Final answer
    x = 279,582.73

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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.