Finding the Fourth Proportional to 439,585.50, 659,431.14 and 155,217.54
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Solution
The fourth proportional to 439,585.50, 659,431.14 and 155,217.54 is: 232,844.99
Step by Step Solution
- Step 1: Write the proportion equation
439,585.50 : 659,431.14 = 155,217.54 : x - Step 2: Convert to fraction form
439,585.50/659,431.14 = 155,217.54/x - Step 3: Cross multiply
439,585.50x = 659,431.14 × 155,217.54 - Step 4: Simplify right side
439,585.50x = 102,355,279,350.20 - Step 5: Solve for x
x = 102,355,279,350.20/439,585.50 - Step 6: Final answer
x = 232,844.99
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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.