Finding the Fourth Proportional to 179,491.40, 247,699.84 and 98,921.84
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Solution
The fourth proportional to 179,491.40, 247,699.84 and 98,921.84 is: 136,513.08
Step by Step Solution
- Step 1: Write the proportion equation
179,491.40 : 247,699.84 = 98,921.84 : x - Step 2: Convert to fraction form
179,491.40/247,699.84 = 98,921.84/x - Step 3: Cross multiply
179,491.40x = 247,699.84 × 98,921.84 - Step 4: Simplify right side
179,491.40x = 24,502,923,940.51 - Step 5: Solve for x
x = 24,502,923,940.51/179,491.40 - Step 6: Final answer
x = 136,513.08
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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.