Finding the Fourth Proportional to 121,792.08, 182,714.16 and 51,669.84
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Solution
The fourth proportional to 121,792.08, 182,714.16 and 51,669.84 is: 77,515.81
Step by Step Solution
- Step 1: Write the proportion equation
121,792.08 : 182,714.16 = 51,669.84 : x - Step 2: Convert to fraction form
121,792.08/182,714.16 = 51,669.84/x - Step 3: Cross multiply
121,792.08x = 182,714.16 × 51,669.84 - Step 4: Simplify right side
121,792.08x = 9,440,811,412.93 - Step 5: Solve for x
x = 9,440,811,412.93/121,792.08 - Step 6: Final answer
x = 77,515.81
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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.