Finding the Fourth Proportional to 177,708.96, 266,637.54 and 77,940.84
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Solution
The fourth proportional to 177,708.96, 266,637.54 and 77,940.84 is: 116,943.76
Step by Step Solution
- Step 1: Write the proportion equation
177,708.96 : 266,637.54 = 77,940.84 : x - Step 2: Convert to fraction form
177,708.96/266,637.54 = 77,940.84/x - Step 3: Cross multiply
177,708.96x = 266,637.54 × 77,940.84 - Step 4: Simplify right side
177,708.96x = 20,781,953,843.13 - Step 5: Solve for x
x = 20,781,953,843.13/177,708.96 - Step 6: Final answer
x = 116,943.76
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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.