Finding the Fourth Proportional to 356,545.18, 492,033.05 and 195,406.21
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Solution
The fourth proportional to 356,545.18, 492,033.05 and 195,406.21 is: 269,660.95
Step by Step Solution
- Step 1: Write the proportion equation
356,545.18 : 492,033.05 = 195,406.21 : x - Step 2: Convert to fraction form
356,545.18/492,033.05 = 195,406.21/x - Step 3: Cross multiply
356,545.18x = 492,033.05 × 195,406.21 - Step 4: Simplify right side
356,545.18x = 96,146,313,495.24 - Step 5: Solve for x
x = 96,146,313,495.24/356,545.18 - Step 6: Final answer
x = 269,660.95
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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.