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Finding the Fourth Proportional to 344,064.68, 515,887.43 and 154,488.23

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Solution

The fourth proportional to 344,064.68, 515,887.43 and 154,488.23 is: 231,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,064.68 : 515,887.43 = 154,488.23 : x
  2. Step 2: Convert to fraction form
    344,064.68/515,887.43 = 154,488.23/x
  3. Step 3: Cross multiply
    344,064.68x = 515,887.43 × 154,488.23
  4. Step 4: Simplify right side
    344,064.68x = 79,698,532,588.07
  5. Step 5: Solve for x
    x = 79,698,532,588.07/344,064.68
  6. Step 6: Final answer
    x = 231,638.23

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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.