Finding the Fourth Proportional to 247,309.37, 341,294.67 and 139,877.31
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Solution
The fourth proportional to 247,309.37, 341,294.67 and 139,877.31 is: 193,035.07
Step by Step Solution
- Step 1: Write the proportion equation
247,309.37 : 341,294.67 = 139,877.31 : x - Step 2: Convert to fraction form
247,309.37/341,294.67 = 139,877.31/x - Step 3: Cross multiply
247,309.37x = 341,294.67 × 139,877.31 - Step 4: Simplify right side
247,309.37x = 47,739,380,356.94 - Step 5: Solve for x
x = 47,739,380,356.94/247,309.37 - Step 6: Final answer
x = 193,035.07
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1.5x scale
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.