Finding the Fourth Proportional to 352,396.32, 528,594.49 and 86,153.68
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Solution
The fourth proportional to 352,396.32, 528,594.49 and 86,153.68 is: 129,230.52
Step by Step Solution
- Step 1: Write the proportion equation
352,396.32 : 528,594.49 = 86,153.68 : x - Step 2: Convert to fraction form
352,396.32/528,594.49 = 86,153.68/x - Step 3: Cross multiply
352,396.32x = 528,594.49 × 86,153.68 - Step 4: Simplify right side
352,396.32x = 45,540,358,842.81 - Step 5: Solve for x
x = 45,540,358,842.81/352,396.32 - Step 6: Final answer
x = 129,230.52
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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.