Finding the Fourth Proportional to 254,883.91, 351,734.07 and 138,594.87
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Solution
The fourth proportional to 254,883.91, 351,734.07 and 138,594.87 is: 191,257.81
Step by Step Solution
- Step 1: Write the proportion equation
254,883.91 : 351,734.07 = 138,594.87 : x - Step 2: Convert to fraction form
254,883.91/351,734.07 = 138,594.87/x - Step 3: Cross multiply
254,883.91x = 351,734.07 × 138,594.87 - Step 4: Simplify right side
254,883.91x = 48,748,537,706.22 - Step 5: Solve for x
x = 48,748,537,706.22/254,883.91 - Step 6: Final answer
x = 191,257.81
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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.