Finding the Fourth Proportional to 158,576.24, 218,802.12 and 107,628.32
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Solution
The fourth proportional to 158,576.24, 218,802.12 and 107,628.32 is: 148,504.62
Step by Step Solution
- Step 1: Write the proportion equation
158,576.24 : 218,802.12 = 107,628.32 : x - Step 2: Convert to fraction form
158,576.24/218,802.12 = 107,628.32/x - Step 3: Cross multiply
158,576.24x = 218,802.12 × 107,628.32 - Step 4: Simplify right side
158,576.24x = 23,549,304,588.04 - Step 5: Solve for x
x = 23,549,304,588.04/158,576.24 - Step 6: Final answer
x = 148,504.62
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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.