Finding the Fourth Proportional to 136,309.68, 204,490.53 and 47,588.58
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Solution
The fourth proportional to 136,309.68, 204,490.53 and 47,588.58 is: 71,391.95
Step by Step Solution
- Step 1: Write the proportion equation
136,309.68 : 204,490.53 = 47,588.58 : x - Step 2: Convert to fraction form
136,309.68/204,490.53 = 47,588.58/x - Step 3: Cross multiply
136,309.68x = 204,490.53 × 47,588.58 - Step 4: Simplify right side
136,309.68x = 9,731,413,946.15 - Step 5: Solve for x
x = 9,731,413,946.15/136,309.68 - Step 6: Final answer
x = 71,391.95
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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.