Finding the Fourth Proportional to 357,916.05, 493,903.17 and 196,771.01
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Solution
The fourth proportional to 357,916.05, 493,903.17 and 196,771.01 is: 271,532.46
Step by Step Solution
- Step 1: Write the proportion equation
357,916.05 : 493,903.17 = 196,771.01 : x - Step 2: Convert to fraction form
357,916.05/493,903.17 = 196,771.01/x - Step 3: Cross multiply
357,916.05x = 493,903.17 × 196,771.01 - Step 4: Simplify right side
357,916.05x = 97,185,825,603.10 - Step 5: Solve for x
x = 97,185,825,603.10/357,916.05 - Step 6: Final answer
x = 271,532.46
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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.