Finding the Fourth Proportional to 407,045.70, 610,137.62 and 136,916.68
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Solution
The fourth proportional to 407,045.70, 610,137.62 and 136,916.68 is: 205,230.07
Step by Step Solution
- Step 1: Write the proportion equation
407,045.70 : 610,137.62 = 136,916.68 : x - Step 2: Convert to fraction form
407,045.70/610,137.62 = 136,916.68/x - Step 3: Cross multiply
407,045.70x = 610,137.62 × 136,916.68 - Step 4: Simplify right side
407,045.70x = 83,538,016,588.92 - Step 5: Solve for x
x = 83,538,016,588.92/407,045.70 - Step 6: Final answer
x = 205,230.07
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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.