Finding the Fourth Proportional to 176,661.68, 243,707.27 and 104,990.99
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Solution
The fourth proportional to 176,661.68, 243,707.27 and 104,990.99 is: 144,836.54
Step by Step Solution
- Step 1: Write the proportion equation
176,661.68 : 243,707.27 = 104,990.99 : x - Step 2: Convert to fraction form
176,661.68/243,707.27 = 104,990.99/x - Step 3: Cross multiply
176,661.68x = 243,707.27 × 104,990.99 - Step 4: Simplify right side
176,661.68x = 25,587,065,804.01 - Step 5: Solve for x
x = 25,587,065,804.01/176,661.68 - Step 6: Final answer
x = 144,836.54
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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.