Finding the Fourth Proportional to 352,107.84, 485,970.94 and 208,946.82
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Solution
The fourth proportional to 352,107.84, 485,970.94 and 208,946.82 is: 288,383.48
Step by Step Solution
- Step 1: Write the proportion equation
352,107.84 : 485,970.94 = 208,946.82 : x - Step 2: Convert to fraction form
352,107.84/485,970.94 = 208,946.82/x - Step 3: Cross multiply
352,107.84x = 485,970.94 × 208,946.82 - Step 4: Simplify right side
352,107.84x = 101,542,082,525.41 - Step 5: Solve for x
x = 101,542,082,525.41/352,107.84 - Step 6: Final answer
x = 288,383.48
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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.