Finding the Fourth Proportional to 403,975.98, 605,969.22 and 193,564.68
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Solution
The fourth proportional to 403,975.98, 605,969.22 and 193,564.68 is: 290,349.54
Step by Step Solution
- Step 1: Write the proportion equation
403,975.98 : 605,969.22 = 193,564.68 : x - Step 2: Convert to fraction form
403,975.98/605,969.22 = 193,564.68/x - Step 3: Cross multiply
403,975.98x = 605,969.22 × 193,564.68 - Step 4: Simplify right side
403,975.98x = 117,294,238,159.15 - Step 5: Solve for x
x = 117,294,238,159.15/403,975.98 - Step 6: Final answer
x = 290,349.54
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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.