Finding the Fourth Proportional to 137,812.80, 206,670.60 and 62,968.80
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Solution
The fourth proportional to 137,812.80, 206,670.60 and 62,968.80 is: 94,430.99
Step by Step Solution
- Step 1: Write the proportion equation
137,812.80 : 206,670.60 = 62,968.80 : x - Step 2: Convert to fraction form
137,812.80/206,670.60 = 62,968.80/x - Step 3: Cross multiply
137,812.80x = 206,670.60 × 62,968.80 - Step 4: Simplify right side
137,812.80x = 13,013,799,677.28 - Step 5: Solve for x
x = 13,013,799,677.28/137,812.80 - Step 6: Final answer
x = 94,430.99
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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.