Home / 340,280.30-510,420.44-103,623

Finding the Fourth Proportional to 340,280.30, 510,420.44 and 103,623

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Solution

The fourth proportional to 340,280.30, 510,420.44 and 103,623 is: 155,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,280.30 : 510,420.44 = 103,623 : x
  2. Step 2: Convert to fraction form
    340,280.30/510,420.44 = 103,623/x
  3. Step 3: Cross multiply
    340,280.30x = 510,420.44 × 103,623
  4. Step 4: Simplify right side
    340,280.30x = 52,891,297,254.12
  5. Step 5: Solve for x
    x = 52,891,297,254.12/340,280.30
  6. Step 6: Final answer
    x = 155,434.50

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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.