Finding the Fourth Proportional to 192,267.05, 265,305.68 and 115,784.93
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Solution
The fourth proportional to 192,267.05, 265,305.68 and 115,784.93 is: 159,769.44
Step by Step Solution
- Step 1: Write the proportion equation
192,267.05 : 265,305.68 = 115,784.93 : x - Step 2: Convert to fraction form
192,267.05/265,305.68 = 115,784.93/x - Step 3: Cross multiply
192,267.05x = 265,305.68 × 115,784.93 - Step 4: Simplify right side
192,267.05x = 30,718,397,681.95 - Step 5: Solve for x
x = 30,718,397,681.95/192,267.05 - Step 6: Final answer
x = 159,769.44
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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.