Finding the Fourth Proportional to 356,689.18, 492,225.47 and 195,545.55
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Solution
The fourth proportional to 356,689.18, 492,225.47 and 195,545.55 is: 269,849.79
Step by Step Solution
- Step 1: Write the proportion equation
356,689.18 : 492,225.47 = 195,545.55 : x - Step 2: Convert to fraction form
356,689.18/492,225.47 = 195,545.55/x - Step 3: Cross multiply
356,689.18x = 492,225.47 × 195,545.55 - Step 4: Simplify right side
356,689.18x = 96,252,499,513.46 - Step 5: Solve for x
x = 96,252,499,513.46/356,689.18 - Step 6: Final answer
x = 269,849.79
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1.5x scale
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.