Finding the Fourth Proportional to 247,340.44, 341,329.86 and 139,908.28
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Solution
The fourth proportional to 247,340.44, 341,329.86 and 139,908.28 is: 193,073.46
Step by Step Solution
- Step 1: Write the proportion equation
247,340.44 : 341,329.86 = 139,908.28 : x - Step 2: Convert to fraction form
247,340.44/341,329.86 = 139,908.28/x - Step 3: Cross multiply
247,340.44x = 341,329.86 × 139,908.28 - Step 4: Simplify right side
247,340.44x = 47,754,873,625.24 - Step 5: Solve for x
x = 47,754,873,625.24/247,340.44 - Step 6: Final answer
x = 193,073.46
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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.