Finding the Fourth Proportional to 180,235.70, 248,721.62 and 99,666.62
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Solution
The fourth proportional to 180,235.70, 248,721.62 and 99,666.62 is: 137,537.92
Step by Step Solution
- Step 1: Write the proportion equation
180,235.70 : 248,721.62 = 99,666.62 : x - Step 2: Convert to fraction form
180,235.70/248,721.62 = 99,666.62/x - Step 3: Cross multiply
180,235.70x = 248,721.62 × 99,666.62 - Step 4: Simplify right side
180,235.70x = 24,789,243,186.32 - Step 5: Solve for x
x = 24,789,243,186.32/180,235.70 - Step 6: Final answer
x = 137,537.92
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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.