Finding the Fourth Proportional to 331,599.99, 457,608.56 and 180,696.99
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Solution
The fourth proportional to 331,599.99, 457,608.56 and 180,696.99 is: 249,362.16
Step by Step Solution
- Step 1: Write the proportion equation
331,599.99 : 457,608.56 = 180,696.99 : x - Step 2: Convert to fraction form
331,599.99/457,608.56 = 180,696.99/x - Step 3: Cross multiply
331,599.99x = 457,608.56 × 180,696.99 - Step 4: Simplify right side
331,599.99x = 82,688,487,553.93 - Step 5: Solve for x
x = 82,688,487,553.93/331,599.99 - Step 6: Final answer
x = 249,362.16
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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.