Finding the Fourth Proportional to 352,378.08, 486,282.33 and 209,166.84
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Solution
The fourth proportional to 352,378.08, 486,282.33 and 209,166.84 is: 288,650.58
Step by Step Solution
- Step 1: Write the proportion equation
352,378.08 : 486,282.33 = 209,166.84 : x - Step 2: Convert to fraction form
352,378.08/486,282.33 = 209,166.84/x - Step 3: Cross multiply
352,378.08x = 486,282.33 × 209,166.84 - Step 4: Simplify right side
352,378.08x = 101,714,138,313.94 - Step 5: Solve for x
x = 101,714,138,313.94/352,378.08 - Step 6: Final answer
x = 288,650.58
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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.