Finding the Fourth Proportional to 112,018.62, 167,991.36 and 40,924.92
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Solution
The fourth proportional to 112,018.62, 167,991.36 and 40,924.92 is: 61,374.02
Step by Step Solution
- Step 1: Write the proportion equation
112,018.62 : 167,991.36 = 40,924.92 : x - Step 2: Convert to fraction form
112,018.62/167,991.36 = 40,924.92/x - Step 3: Cross multiply
112,018.62x = 167,991.36 × 40,924.92 - Step 4: Simplify right side
112,018.62x = 6,875,032,968.69 - Step 5: Solve for x
x = 6,875,032,968.69/112,018.62 - Step 6: Final answer
x = 61,374.02
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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.