Finding the Fourth Proportional to 245,420.82, 368,013.38 and 145,593.99
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Solution
The fourth proportional to 245,420.82, 368,013.38 and 145,593.99 is: 218,321.07
Step by Step Solution
- Step 1: Write the proportion equation
245,420.82 : 368,013.38 = 145,593.99 : x - Step 2: Convert to fraction form
245,420.82/368,013.38 = 145,593.99/x - Step 3: Cross multiply
245,420.82x = 368,013.38 × 145,593.99 - Step 4: Simplify right side
245,420.82x = 53,580,535,639.62 - Step 5: Solve for x
x = 53,580,535,639.62/245,420.82 - Step 6: Final answer
x = 218,321.07
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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.