Finding the Fourth Proportional to 102,388.46, 153,585.12 and 27,508.70
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Solution
The fourth proportional to 102,388.46, 153,585.12 and 27,508.70 is: 41,263.70
Step by Step Solution
- Step 1: Write the proportion equation
102,388.46 : 153,585.12 = 27,508.70 : x - Step 2: Convert to fraction form
102,388.46/153,585.12 = 27,508.70/x - Step 3: Cross multiply
102,388.46x = 153,585.12 × 27,508.70 - Step 4: Simplify right side
102,388.46x = 4,224,926,990.54 - Step 5: Solve for x
x = 4,224,926,990.54/102,388.46 - Step 6: Final answer
x = 41,263.70
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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.