Finding the Fourth Proportional to 299,661.42, 413,545.33 and 172,337.12
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Solution
The fourth proportional to 299,661.42, 413,545.33 and 172,337.12 is: 237,832.45
Step by Step Solution
- Step 1: Write the proportion equation
299,661.42 : 413,545.33 = 172,337.12 : x - Step 2: Convert to fraction form
299,661.42/413,545.33 = 172,337.12/x - Step 3: Cross multiply
299,661.42x = 413,545.33 × 172,337.12 - Step 4: Simplify right side
299,661.42x = 71,269,208,663.08 - Step 5: Solve for x
x = 71,269,208,663.08/299,661.42 - Step 6: Final answer
x = 237,832.45
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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.