Finding the Fourth Proportional to 424,647.08, 636,773.79 and 158,336.09
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Solution
The fourth proportional to 424,647.08, 636,773.79 and 158,336.09 is: 237,430.75
Step by Step Solution
- Step 1: Write the proportion equation
424,647.08 : 636,773.79 = 158,336.09 : x - Step 2: Convert to fraction form
424,647.08/636,773.79 = 158,336.09/x - Step 3: Cross multiply
424,647.08x = 636,773.79 × 158,336.09 - Step 4: Simplify right side
424,647.08x = 100,824,273,715.02 - Step 5: Solve for x
x = 100,824,273,715.02/424,647.08 - Step 6: Final answer
x = 237,430.75
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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.