Home / 403,488.30-556,813.95-222,199.77

Finding the Fourth Proportional to 403,488.30, 556,813.95 and 222,199.77

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Solution

The fourth proportional to 403,488.30, 556,813.95 and 222,199.77 is: 306,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,488.30 : 556,813.95 = 222,199.77 : x
  2. Step 2: Convert to fraction form
    403,488.30/556,813.95 = 222,199.77/x
  3. Step 3: Cross multiply
    403,488.30x = 556,813.95 × 222,199.77
  4. Step 4: Simplify right side
    403,488.30x = 123,723,931,622.79
  5. Step 5: Solve for x
    x = 123,723,931,622.79/403,488.30
  6. Step 6: Final answer
    x = 306,635.74

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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.