Finding the Fourth Proportional to 356,852.70, 492,455.97 and 205,949.70
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Solution
The fourth proportional to 356,852.70, 492,455.97 and 205,949.70 is: 284,210.15
Step by Step Solution
- Step 1: Write the proportion equation
356,852.70 : 492,455.97 = 205,949.70 : x - Step 2: Convert to fraction form
356,852.70/492,455.97 = 205,949.70/x - Step 3: Cross multiply
356,852.70x = 492,455.97 × 205,949.70 - Step 4: Simplify right side
356,852.70x = 101,421,159,284.71 - Step 5: Solve for x
x = 101,421,159,284.71/356,852.70 - Step 6: Final answer
x = 284,210.15
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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.