Home / 338,320.87-507,322.37-196,206.53

Finding the Fourth Proportional to 338,320.87, 507,322.37 and 196,206.53

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Solution

The fourth proportional to 338,320.87, 507,322.37 and 196,206.53 is: 294,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,320.87 : 507,322.37 = 196,206.53 : x
  2. Step 2: Convert to fraction form
    338,320.87/507,322.37 = 196,206.53/x
  3. Step 3: Cross multiply
    338,320.87x = 507,322.37 × 196,206.53
  4. Step 4: Simplify right side
    338,320.87x = 99,539,959,762.98
  5. Step 5: Solve for x
    x = 99,539,959,762.98/338,320.87
  6. Step 6: Final answer
    x = 294,217.62

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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.