Home / 309,542.24-464,354.64-122,510

Finding the Fourth Proportional to 309,542.24, 464,354.64 and 122,510

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Solution

The fourth proportional to 309,542.24, 464,354.64 and 122,510 is: 183,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,542.24 : 464,354.64 = 122,510 : x
  2. Step 2: Convert to fraction form
    309,542.24/464,354.64 = 122,510/x
  3. Step 3: Cross multiply
    309,542.24x = 464,354.64 × 122,510
  4. Step 4: Simplify right side
    309,542.24x = 56,888,086,946.40
  5. Step 5: Solve for x
    x = 56,888,086,946.40/309,542.24
  6. Step 6: Final answer
    x = 183,781.34

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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.