Finding the Fourth Proportional to 104,737.28, 144,542.76 and 97,356.56
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Solution
The fourth proportional to 104,737.28, 144,542.76 and 97,356.56 is: 134,356.99
Step by Step Solution
- Step 1: Write the proportion equation
104,737.28 : 144,542.76 = 97,356.56 : x - Step 2: Convert to fraction form
104,737.28/144,542.76 = 97,356.56/x - Step 3: Cross multiply
104,737.28x = 144,542.76 × 97,356.56 - Step 4: Simplify right side
104,737.28x = 14,072,185,886.51 - Step 5: Solve for x
x = 14,072,185,886.51/104,737.28 - Step 6: Final answer
x = 134,356.99
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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.