Finding the Fourth Proportional to 104,916.09, 157,423.28 and 52,329.63
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Solution
The fourth proportional to 104,916.09, 157,423.28 and 52,329.63 is: 78,518.95
Step by Step Solution
- Step 1: Write the proportion equation
104,916.09 : 157,423.28 = 52,329.63 : x - Step 2: Convert to fraction form
104,916.09/157,423.28 = 52,329.63/x - Step 3: Cross multiply
104,916.09x = 157,423.28 × 52,329.63 - Step 4: Simplify right side
104,916.09x = 8,237,901,734.14 - Step 5: Solve for x
x = 8,237,901,734.14/104,916.09 - Step 6: Final answer
x = 78,518.95
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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.