Finding the Fourth Proportional to 456,615.48, 684,927.84 and 203,908.84
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Solution
The fourth proportional to 456,615.48, 684,927.84 and 203,908.84 is: 305,865.33
Step by Step Solution
- Step 1: Write the proportion equation
456,615.48 : 684,927.84 = 203,908.84 : x - Step 2: Convert to fraction form
456,615.48/684,927.84 = 203,908.84/x - Step 3: Cross multiply
456,615.48x = 684,927.84 × 203,908.84 - Step 4: Simplify right side
456,615.48x = 139,662,843,050.43 - Step 5: Solve for x
x = 139,662,843,050.43/456,615.48 - Step 6: Final answer
x = 305,865.33
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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.