Finding the Fourth Proportional to 307,914.81, 424,775.00 and 193,135.98
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Solution
The fourth proportional to 307,914.81, 424,775.00 and 193,135.98 is: 266,435.17
Step by Step Solution
- Step 1: Write the proportion equation
307,914.81 : 424,775.00 = 193,135.98 : x - Step 2: Convert to fraction form
307,914.81/424,775.00 = 193,135.98/x - Step 3: Cross multiply
307,914.81x = 424,775.00 × 193,135.98 - Step 4: Simplify right side
307,914.81x = 82,039,334,938.82 - Step 5: Solve for x
x = 82,039,334,938.82/307,914.81 - Step 6: Final answer
x = 266,435.17
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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.