Home / 326,557.07-489,893.00-149,082.02

Finding the Fourth Proportional to 326,557.07, 489,893.00 and 149,082.02

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Solution

The fourth proportional to 326,557.07, 489,893.00 and 149,082.02 is: 223,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,557.07 : 489,893.00 = 149,082.02 : x
  2. Step 2: Convert to fraction form
    326,557.07/489,893.00 = 149,082.02/x
  3. Step 3: Cross multiply
    326,557.07x = 489,893.00 × 149,082.02
  4. Step 4: Simplify right side
    326,557.07x = 73,034,236,666.08
  5. Step 5: Solve for x
    x = 73,034,236,666.08/326,557.07
  6. Step 6: Final answer
    x = 223,649.23

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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.