Home / 283,126.20-390,704.22-155,798.52

Finding the Fourth Proportional to 283,126.20, 390,704.22 and 155,798.52

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Solution

The fourth proportional to 283,126.20, 390,704.22 and 155,798.52 is: 214,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,126.20 : 390,704.22 = 155,798.52 : x
  2. Step 2: Convert to fraction form
    283,126.20/390,704.22 = 155,798.52/x
  3. Step 3: Cross multiply
    283,126.20x = 390,704.22 × 155,798.52
  4. Step 4: Simplify right side
    283,126.20x = 60,871,139,233.75
  5. Step 5: Solve for x
    x = 60,871,139,233.75/283,126.20
  6. Step 6: Final answer
    x = 214,996.49

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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.