Finding the Fourth Proportional to 307,813.15, 424,789.28 and 193,096.62
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Solution
The fourth proportional to 307,813.15, 424,789.28 and 193,096.62 is: 266,477.81
Step by Step Solution
- Step 1: Write the proportion equation
307,813.15 : 424,789.28 = 193,096.62 : x - Step 2: Convert to fraction form
307,813.15/424,789.28 = 193,096.62/x - Step 3: Cross multiply
307,813.15x = 424,789.28 × 193,096.62 - Step 4: Simplify right side
307,813.15x = 82,025,374,180.23 - Step 5: Solve for x
x = 82,025,374,180.23/307,813.15 - Step 6: Final answer
x = 266,477.81
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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.