Finding the Fourth Proportional to 157,877.56, 236,966.09 and 97,724.09
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Solution
The fourth proportional to 157,877.56, 236,966.09 and 97,724.09 is: 146,678.83
Step by Step Solution
- Step 1: Write the proportion equation
157,877.56 : 236,966.09 = 97,724.09 : x - Step 2: Convert to fraction form
157,877.56/236,966.09 = 97,724.09/x - Step 3: Cross multiply
157,877.56x = 236,966.09 × 97,724.09 - Step 4: Simplify right side
157,877.56x = 23,157,295,506.11 - Step 5: Solve for x
x = 23,157,295,506.11/157,877.56 - Step 6: Final answer
x = 146,678.83
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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.