Finding the Fourth Proportional to 233,916.90, 322,805.10 and 126,486.68
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Solution
The fourth proportional to 233,916.90, 322,805.10 and 126,486.68 is: 174,551.49
Step by Step Solution
- Step 1: Write the proportion equation
233,916.90 : 322,805.10 = 126,486.68 : x - Step 2: Convert to fraction form
233,916.90/322,805.10 = 126,486.68/x - Step 3: Cross multiply
233,916.90x = 322,805.10 × 126,486.68 - Step 4: Simplify right side
233,916.90x = 40,830,543,772.04 - Step 5: Solve for x
x = 40,830,543,772.04/233,916.90 - Step 6: Final answer
x = 174,551.49
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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.