Finding the Fourth Proportional to 460,447.56, 635,730.84 and 288,436.68
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Solution
The fourth proportional to 460,447.56, 635,730.84 and 288,436.68 is: 398,238.82
Step by Step Solution
- Step 1: Write the proportion equation
460,447.56 : 635,730.84 = 288,436.68 : x - Step 2: Convert to fraction form
460,447.56/635,730.84 = 288,436.68/x - Step 3: Cross multiply
460,447.56x = 635,730.84 × 288,436.68 - Step 4: Simplify right side
460,447.56x = 183,368,092,863.21 - Step 5: Solve for x
x = 183,368,092,863.21/460,447.56 - Step 6: Final answer
x = 398,238.82
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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.