Finding the Fourth Proportional to 176,871.68, 243,617.99 and 135,957.54
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Solution
The fourth proportional to 176,871.68, 243,617.99 and 135,957.54 is: 187,264.03
Step by Step Solution
- Step 1: Write the proportion equation
176,871.68 : 243,617.99 = 135,957.54 : x - Step 2: Convert to fraction form
176,871.68/243,617.99 = 135,957.54/x - Step 3: Cross multiply
176,871.68x = 243,617.99 × 135,957.54 - Step 4: Simplify right side
176,871.68x = 33,121,701,940.36 - Step 5: Solve for x
x = 33,121,701,940.36/176,871.68 - Step 6: Final answer
x = 187,264.03
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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.