Finding the Fourth Proportional to 232,916.49, 321,436.16 and 130,974.05
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Solution
The fourth proportional to 232,916.49, 321,436.16 and 130,974.05 is: 180,750.59
Step by Step Solution
- Step 1: Write the proportion equation
232,916.49 : 321,436.16 = 130,974.05 : x - Step 2: Convert to fraction form
232,916.49/321,436.16 = 130,974.05/x - Step 3: Cross multiply
232,916.49x = 321,436.16 × 130,974.05 - Step 4: Simplify right side
232,916.49x = 42,099,793,429.60 - Step 5: Solve for x
x = 42,099,793,429.60/232,916.49 - Step 6: Final answer
x = 180,750.59
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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.