Home / 443,462.36-611,977.02-242,259.80

Finding the Fourth Proportional to 443,462.36, 611,977.02 and 242,259.80

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Solution

The fourth proportional to 443,462.36, 611,977.02 and 242,259.80 is: 334,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,462.36 : 611,977.02 = 242,259.80 : x
  2. Step 2: Convert to fraction form
    443,462.36/611,977.02 = 242,259.80/x
  3. Step 3: Cross multiply
    443,462.36x = 611,977.02 × 242,259.80
  4. Step 4: Simplify right side
    443,462.36x = 148,257,430,469.80
  5. Step 5: Solve for x
    x = 148,257,430,469.80/443,462.36
  6. Step 6: Final answer
    x = 334,317.96

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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.