Finding the Fourth Proportional to 164,355.88, 226,605.58 and 137,171.08
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Solution
The fourth proportional to 164,355.88, 226,605.58 and 137,171.08 is: 189,124.55
Step by Step Solution
- Step 1: Write the proportion equation
164,355.88 : 226,605.58 = 137,171.08 : x - Step 2: Convert to fraction form
164,355.88/226,605.58 = 137,171.08/x - Step 3: Cross multiply
164,355.88x = 226,605.58 × 137,171.08 - Step 4: Simplify right side
164,355.88x = 31,083,732,142.63 - Step 5: Solve for x
x = 31,083,732,142.63/164,355.88 - Step 6: Final answer
x = 189,124.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.