Finding the Fourth Proportional to 106,349.20, 146,768.36 and 58,602.48
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Solution
The fourth proportional to 106,349.20, 146,768.36 and 58,602.48 is: 80,874.98
Step by Step Solution
- Step 1: Write the proportion equation
106,349.20 : 146,768.36 = 58,602.48 : x - Step 2: Convert to fraction form
106,349.20/146,768.36 = 58,602.48/x - Step 3: Cross multiply
106,349.20x = 146,768.36 × 58,602.48 - Step 4: Simplify right side
106,349.20x = 8,600,989,881.53 - Step 5: Solve for x
x = 8,600,989,881.53/106,349.20 - Step 6: Final answer
x = 80,874.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.