Finding the Fourth Proportional to 352,245.71, 528,340.48 and 99,515.99
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Solution
The fourth proportional to 352,245.71, 528,340.48 and 99,515.99 is: 149,266.05
Step by Step Solution
- Step 1: Write the proportion equation
352,245.71 : 528,340.48 = 99,515.99 : x - Step 2: Convert to fraction form
352,245.71/528,340.48 = 99,515.99/x - Step 3: Cross multiply
352,245.71x = 528,340.48 × 99,515.99 - Step 4: Simplify right side
352,245.71x = 52,578,326,996.34 - Step 5: Solve for x
x = 52,578,326,996.34/352,245.71 - Step 6: Final answer
x = 149,266.05
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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.