Home / 443,402.07-611,897.28-242,198.07

Finding the Fourth Proportional to 443,402.07, 611,897.28 and 242,198.07

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Solution

The fourth proportional to 443,402.07, 611,897.28 and 242,198.07 is: 334,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,402.07 : 611,897.28 = 242,198.07 : x
  2. Step 2: Convert to fraction form
    443,402.07/611,897.28 = 242,198.07/x
  3. Step 3: Cross multiply
    443,402.07x = 611,897.28 × 242,198.07
  4. Step 4: Simplify right side
    443,402.07x = 148,200,340,254.25
  5. Step 5: Solve for x
    x = 148,200,340,254.25/443,402.07
  6. Step 6: Final answer
    x = 334,234.66

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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.