Finding the Fourth Proportional to 171,597.84, 236,315.43 and 154,456.08
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Solution
The fourth proportional to 171,597.84, 236,315.43 and 154,456.08 is: 212,708.71
Step by Step Solution
- Step 1: Write the proportion equation
171,597.84 : 236,315.43 = 154,456.08 : x - Step 2: Convert to fraction form
171,597.84/236,315.43 = 154,456.08/x - Step 3: Cross multiply
171,597.84x = 236,315.43 × 154,456.08 - Step 4: Simplify right side
171,597.84x = 36,500,354,961.31 - Step 5: Solve for x
x = 36,500,354,961.31/171,597.84 - Step 6: Final answer
x = 212,708.71
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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.