Finding the Fourth Proportional to 117,375.45, 176,018.94 and 42,477.09
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Solution
The fourth proportional to 117,375.45, 176,018.94 and 42,477.09 is: 63,699.63
Step by Step Solution
- Step 1: Write the proportion equation
117,375.45 : 176,018.94 = 42,477.09 : x - Step 2: Convert to fraction form
117,375.45/176,018.94 = 42,477.09/x - Step 3: Cross multiply
117,375.45x = 176,018.94 × 42,477.09 - Step 4: Simplify right side
117,375.45x = 7,476,772,356.08 - Step 5: Solve for x
x = 7,476,772,356.08/117,375.45 - Step 6: Final answer
x = 63,699.63
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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.