Finding the Fourth Proportional to 235,868.49, 325,447.74 and 140,356.53
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Solution
The fourth proportional to 235,868.49, 325,447.74 and 140,356.53 is: 193,661.80
Step by Step Solution
- Step 1: Write the proportion equation
235,868.49 : 325,447.74 = 140,356.53 : x - Step 2: Convert to fraction form
235,868.49/325,447.74 = 140,356.53/x - Step 3: Cross multiply
235,868.49x = 325,447.74 × 140,356.53 - Step 4: Simplify right side
235,868.49x = 45,678,715,482.74 - Step 5: Solve for x
x = 45,678,715,482.74/235,868.49 - Step 6: Final answer
x = 193,661.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.