Finding the Fourth Proportional to 135,929.62, 203,664.35 and 83,229.06
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Solution
The fourth proportional to 135,929.62, 203,664.35 and 83,229.06 is: 124,702.71
Step by Step Solution
- Step 1: Write the proportion equation
135,929.62 : 203,664.35 = 83,229.06 : x - Step 2: Convert to fraction form
135,929.62/203,664.35 = 83,229.06/x - Step 3: Cross multiply
135,929.62x = 203,664.35 × 83,229.06 - Step 4: Simplify right side
135,929.62x = 16,950,792,406.01 - Step 5: Solve for x
x = 16,950,792,406.01/135,929.62 - Step 6: Final answer
x = 124,702.71
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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.