Finding the Fourth Proportional to 384,442.74, 576,710.28 and 159,955.09
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Solution
The fourth proportional to 384,442.74, 576,710.28 and 159,955.09 is: 239,951.84
Step by Step Solution
- Step 1: Write the proportion equation
384,442.74 : 576,710.28 = 159,955.09 : x - Step 2: Convert to fraction form
384,442.74/576,710.28 = 159,955.09/x - Step 3: Cross multiply
384,442.74x = 576,710.28 × 159,955.09 - Step 4: Simplify right side
384,442.74x = 92,247,743,299.55 - Step 5: Solve for x
x = 92,247,743,299.55/384,442.74 - Step 6: Final answer
x = 239,951.84
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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.