Finding the Fourth Proportional to 180,323.91, 248,841.99 and 99,754.83
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Solution
The fourth proportional to 180,323.91, 248,841.99 and 99,754.83 is: 137,658.90
Step by Step Solution
- Step 1: Write the proportion equation
180,323.91 : 248,841.99 = 99,754.83 : x - Step 2: Convert to fraction form
180,323.91/248,841.99 = 99,754.83/x - Step 3: Cross multiply
180,323.91x = 248,841.99 × 99,754.83 - Step 4: Simplify right side
180,323.91x = 24,823,190,409.31 - Step 5: Solve for x
x = 24,823,190,409.31/180,323.91 - Step 6: Final answer
x = 137,658.90
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1.5x scale
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.