Finding the Fourth Proportional to 424,573.94, 636,840.08 and 158,313.62
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Solution
The fourth proportional to 424,573.94, 636,840.08 and 158,313.62 is: 237,462.66
Step by Step Solution
- Step 1: Write the proportion equation
424,573.94 : 636,840.08 = 158,313.62 : x - Step 2: Convert to fraction form
424,573.94/636,840.08 = 158,313.62/x - Step 3: Cross multiply
424,573.94x = 636,840.08 × 158,313.62 - Step 4: Simplify right side
424,573.94x = 100,820,454,450.12 - Step 5: Solve for x
x = 100,820,454,450.12/424,573.94 - Step 6: Final answer
x = 237,462.66
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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.