Finding the Fourth Proportional to 235,669.10, 353,558.99 and 77,897.53
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Solution
The fourth proportional to 235,669.10, 353,558.99 and 77,897.53 is: 116,864.59
Step by Step Solution
- Step 1: Write the proportion equation
235,669.10 : 353,558.99 = 77,897.53 : x - Step 2: Convert to fraction form
235,669.10/353,558.99 = 77,897.53/x - Step 3: Cross multiply
235,669.10x = 353,558.99 × 77,897.53 - Step 4: Simplify right side
235,669.10x = 27,541,371,640.81 - Step 5: Solve for x
x = 27,541,371,640.81/235,669.10 - Step 6: Final answer
x = 116,864.59
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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.