Finding the Fourth Proportional to 137,112.95, 205,644.22 and 62,215.09
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Solution
The fourth proportional to 137,112.95, 205,644.22 and 62,215.09 is: 93,311.19
Step by Step Solution
- Step 1: Write the proportion equation
137,112.95 : 205,644.22 = 62,215.09 : x - Step 2: Convert to fraction form
137,112.95/205,644.22 = 62,215.09/x - Step 3: Cross multiply
137,112.95x = 205,644.22 × 62,215.09 - Step 4: Simplify right side
137,112.95x = 12,794,172,985.63 - Step 5: Solve for x
x = 12,794,172,985.63/137,112.95 - Step 6: Final answer
x = 93,311.19
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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.