Finding the Fourth Proportional to 353,329.49, 487,550.52 and 238,857.14
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Solution
The fourth proportional to 353,329.49, 487,550.52 and 238,857.14 is: 329,592.99
Step by Step Solution
- Step 1: Write the proportion equation
353,329.49 : 487,550.52 = 238,857.14 : x - Step 2: Convert to fraction form
353,329.49/487,550.52 = 238,857.14/x - Step 3: Cross multiply
353,329.49x = 487,550.52 × 238,857.14 - Step 4: Simplify right side
353,329.49x = 116,454,922,812.71 - Step 5: Solve for x
x = 116,454,922,812.71/353,329.49 - Step 6: Final answer
x = 329,592.99
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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.