Finding the Fourth Proportional to 299,545.96, 413,358.02 and 163,553.71
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Solution
The fourth proportional to 299,545.96, 413,358.02 and 163,553.71 is: 225,695.70
Step by Step Solution
- Step 1: Write the proportion equation
299,545.96 : 413,358.02 = 163,553.71 : x - Step 2: Convert to fraction form
299,545.96/413,358.02 = 163,553.71/x - Step 3: Cross multiply
299,545.96x = 413,358.02 × 163,553.71 - Step 4: Simplify right side
299,545.96x = 67,606,234,844.70 - Step 5: Solve for x
x = 67,606,234,844.70/299,545.96 - Step 6: Final answer
x = 225,695.70
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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.