Finding the Fourth Proportional to 228,930.24, 343,348.60 and 86,726.49
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Solution
The fourth proportional to 228,930.24, 343,348.60 and 86,726.49 is: 130,072.02
Step by Step Solution
- Step 1: Write the proportion equation
228,930.24 : 343,348.60 = 86,726.49 : x - Step 2: Convert to fraction form
228,930.24/343,348.60 = 86,726.49/x - Step 3: Cross multiply
228,930.24x = 343,348.60 × 86,726.49 - Step 4: Simplify right side
228,930.24x = 29,777,418,924.41 - Step 5: Solve for x
x = 29,777,418,924.41/228,930.24 - Step 6: Final answer
x = 130,072.02
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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.