Finding the Fourth Proportional to 320,528.52, 480,818.07 and 107,297.70
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Solution
The fourth proportional to 320,528.52, 480,818.07 and 107,297.70 is: 160,955.02
Step by Step Solution
- Step 1: Write the proportion equation
320,528.52 : 480,818.07 = 107,297.70 : x - Step 2: Convert to fraction form
320,528.52/480,818.07 = 107,297.70/x - Step 3: Cross multiply
320,528.52x = 480,818.07 × 107,297.70 - Step 4: Simplify right side
320,528.52x = 51,590,673,029.44 - Step 5: Solve for x
x = 51,590,673,029.44/320,528.52 - Step 6: Final answer
x = 160,955.02
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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.