Finding the Fourth Proportional to 306,887.22, 460,573.80 and 129,516.66
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Solution
The fourth proportional to 306,887.22, 460,573.80 and 129,516.66 is: 194,377.53
Step by Step Solution
- Step 1: Write the proportion equation
306,887.22 : 460,573.80 = 129,516.66 : x - Step 2: Convert to fraction form
306,887.22/460,573.80 = 129,516.66/x - Step 3: Cross multiply
306,887.22x = 460,573.80 × 129,516.66 - Step 4: Simplify right side
306,887.22x = 59,651,980,259.51 - Step 5: Solve for x
x = 59,651,980,259.51/306,887.22 - Step 6: Final answer
x = 194,377.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.