Finding the Fourth Proportional to 157,129.89, 235,696.99 and 44,810.12
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Solution
The fourth proportional to 157,129.89, 235,696.99 and 44,810.12 is: 67,215.79
Step by Step Solution
- Step 1: Write the proportion equation
157,129.89 : 235,696.99 = 44,810.12 : x - Step 2: Convert to fraction form
157,129.89/235,696.99 = 44,810.12/x - Step 3: Cross multiply
157,129.89x = 235,696.99 × 44,810.12 - Step 4: Simplify right side
157,129.89x = 10,561,609,283.07 - Step 5: Solve for x
x = 10,561,609,283.07/157,129.89 - Step 6: Final answer
x = 67,215.79
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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.