Home / 240,402.90-331,651.76-144,855.30

Finding the Fourth Proportional to 240,402.90, 331,651.76 and 144,855.30

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Solution

The fourth proportional to 240,402.90, 331,651.76 and 144,855.30 is: 199,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,402.90 : 331,651.76 = 144,855.30 : x
  2. Step 2: Convert to fraction form
    240,402.90/331,651.76 = 144,855.30/x
  3. Step 3: Cross multiply
    240,402.90x = 331,651.76 × 144,855.30
  4. Step 4: Simplify right side
    240,402.90x = 48,041,514,466.05
  5. Step 5: Solve for x
    x = 48,041,514,466.05/240,402.90
  6. Step 6: Final answer
    x = 199,837.50

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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.