Finding the Fourth Proportional to 179,637.12, 247,895.77 and 99,072.09
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Solution
The fourth proportional to 179,637.12, 247,895.77 and 99,072.09 is: 136,717.58
Step by Step Solution
- Step 1: Write the proportion equation
179,637.12 : 247,895.77 = 99,072.09 : x - Step 2: Convert to fraction form
179,637.12/247,895.77 = 99,072.09/x - Step 3: Cross multiply
179,637.12x = 247,895.77 × 99,072.09 - Step 4: Simplify right side
179,637.12x = 24,559,552,036.06 - Step 5: Solve for x
x = 24,559,552,036.06/179,637.12 - Step 6: Final answer
x = 136,717.58
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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.