Finding the Fourth Proportional to 118,345.84, 177,520.32 and 39,460.09
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Solution
The fourth proportional to 118,345.84, 177,520.32 and 39,460.09 is: 59,190.66
Step by Step Solution
- Step 1: Write the proportion equation
118,345.84 : 177,520.32 = 39,460.09 : x - Step 2: Convert to fraction form
118,345.84/177,520.32 = 39,460.09/x - Step 3: Cross multiply
118,345.84x = 177,520.32 × 39,460.09 - Step 4: Simplify right side
118,345.84x = 7,004,967,804.03 - Step 5: Solve for x
x = 7,004,967,804.03/118,345.84 - Step 6: Final answer
x = 59,190.66
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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.