Finding the Fourth Proportional to 192,841.70, 266,089.86 and 121,170.96
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Solution
The fourth proportional to 192,841.70, 266,089.86 and 121,170.96 is: 167,196.02
Step by Step Solution
- Step 1: Write the proportion equation
192,841.70 : 266,089.86 = 121,170.96 : x - Step 2: Convert to fraction form
192,841.70/266,089.86 = 121,170.96/x - Step 3: Cross multiply
192,841.70x = 266,089.86 × 121,170.96 - Step 4: Simplify right side
192,841.70x = 32,242,363,782.47 - Step 5: Solve for x
x = 32,242,363,782.47/192,841.70 - Step 6: Final answer
x = 167,196.02
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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.