Home / 256,269.02-353,651.27-143,091.77

Finding the Fourth Proportional to 256,269.02, 353,651.27 and 143,091.77

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Solution

The fourth proportional to 256,269.02, 353,651.27 and 143,091.77 is: 197,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,269.02 : 353,651.27 = 143,091.77 : x
  2. Step 2: Convert to fraction form
    256,269.02/353,651.27 = 143,091.77/x
  3. Step 3: Cross multiply
    256,269.02x = 353,651.27 × 143,091.77
  4. Step 4: Simplify right side
    256,269.02x = 50,604,583,703.33
  5. Step 5: Solve for x
    x = 50,604,583,703.33/256,269.02
  6. Step 6: Final answer
    x = 197,466.65

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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.