Finding the Fourth Proportional to 352,765.87, 531,502.20 and 319,070.68
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Solution
The fourth proportional to 352,765.87, 531,502.20 and 319,070.68 is: 480,734.63
Step by Step Solution
- Step 1: Write the proportion equation
352,765.87 : 531,502.20 = 319,070.68 : x - Step 2: Convert to fraction form
352,765.87/531,502.20 = 319,070.68/x - Step 3: Cross multiply
352,765.87x = 531,502.20 × 319,070.68 - Step 4: Simplify right side
352,765.87x = 169,586,767,046.74 - Step 5: Solve for x
x = 169,586,767,046.74/352,765.87 - Step 6: Final answer
x = 480,734.63
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.