Finding the Fourth Proportional to 319,351.10, 479,341.81 and 169,590.96
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Solution
The fourth proportional to 319,351.10, 479,341.81 and 169,590.96 is: 254,553.81
Step by Step Solution
- Step 1: Write the proportion equation
319,351.10 : 479,341.81 = 169,590.96 : x - Step 2: Convert to fraction form
319,351.10/479,341.81 = 169,590.96/x - Step 3: Cross multiply
319,351.10x = 479,341.81 × 169,590.96 - Step 4: Simplify right side
319,351.10x = 81,292,037,726.04 - Step 5: Solve for x
x = 81,292,037,726.04/319,351.10 - Step 6: Final answer
x = 254,553.81
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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.