Home / 344,964.88-517,513.10-120,389.46

Finding the Fourth Proportional to 344,964.88, 517,513.10 and 120,389.46

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Solution

The fourth proportional to 344,964.88, 517,513.10 and 120,389.46 is: 180,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,964.88 : 517,513.10 = 120,389.46 : x
  2. Step 2: Convert to fraction form
    344,964.88/517,513.10 = 120,389.46/x
  3. Step 3: Cross multiply
    344,964.88x = 517,513.10 × 120,389.46
  4. Step 4: Simplify right side
    344,964.88x = 62,303,122,651.93
  5. Step 5: Solve for x
    x = 62,303,122,651.93/344,964.88
  6. Step 6: Final answer
    x = 180,607.15

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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.