Finding the Fourth Proportional to 136,324.71, 204,455.27 and 52,053.93
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Solution
The fourth proportional to 136,324.71, 204,455.27 and 52,053.93 is: 78,068.75
Step by Step Solution
- Step 1: Write the proportion equation
136,324.71 : 204,455.27 = 52,053.93 : x - Step 2: Convert to fraction form
136,324.71/204,455.27 = 52,053.93/x - Step 3: Cross multiply
136,324.71x = 204,455.27 × 52,053.93 - Step 4: Simplify right side
136,324.71x = 10,642,700,312.71 - Step 5: Solve for x
x = 10,642,700,312.71/136,324.71 - Step 6: Final answer
x = 78,068.75
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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.