Finding the Fourth Proportional to 310,975.29, 466,167.38 and 121,557.09
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Solution
The fourth proportional to 310,975.29, 466,167.38 and 121,557.09 is: 182,220.10
Step by Step Solution
- Step 1: Write the proportion equation
310,975.29 : 466,167.38 = 121,557.09 : x - Step 2: Convert to fraction form
310,975.29/466,167.38 = 121,557.09/x - Step 3: Cross multiply
310,975.29x = 466,167.38 × 121,557.09 - Step 4: Simplify right side
310,975.29x = 56,665,949,557.94 - Step 5: Solve for x
x = 56,665,949,557.94/310,975.29 - Step 6: Final answer
x = 182,220.10
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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.