Finding the Fourth Proportional to 396,897.96, 595,428.84 and 130,674.36
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Solution
The fourth proportional to 396,897.96, 595,428.84 and 130,674.36 is: 196,038.50
Step by Step Solution
- Step 1: Write the proportion equation
396,897.96 : 595,428.84 = 130,674.36 : x - Step 2: Convert to fraction form
396,897.96/595,428.84 = 130,674.36/x - Step 3: Cross multiply
396,897.96x = 595,428.84 × 130,674.36 - Step 4: Simplify right side
396,897.96x = 77,807,282,592.54 - Step 5: Solve for x
x = 77,807,282,592.54/396,897.96 - Step 6: Final answer
x = 196,038.50
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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.