Finding the Fourth Proportional to 315,169.97, 434,933.96 and 171,929.97
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Solution
The fourth proportional to 315,169.97, 434,933.96 and 171,929.97 is: 237,263.03
Step by Step Solution
- Step 1: Write the proportion equation
315,169.97 : 434,933.96 = 171,929.97 : x - Step 2: Convert to fraction form
315,169.97/434,933.96 = 171,929.97/x - Step 3: Cross multiply
315,169.97x = 434,933.96 × 171,929.97 - Step 4: Simplify right side
315,169.97x = 74,778,181,835.13 - Step 5: Solve for x
x = 74,778,181,835.13/315,169.97 - Step 6: Final answer
x = 237,263.03
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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.