Finding the Fourth Proportional to 98,912.16, 148,368.24 and 24,031.92
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Solution
The fourth proportional to 98,912.16, 148,368.24 and 24,031.92 is: 36,047.88
Step by Step Solution
- Step 1: Write the proportion equation
98,912.16 : 148,368.24 = 24,031.92 : x - Step 2: Convert to fraction form
98,912.16/148,368.24 = 24,031.92/x - Step 3: Cross multiply
98,912.16x = 148,368.24 × 24,031.92 - Step 4: Simplify right side
98,912.16x = 3,565,573,674.22 - Step 5: Solve for x
x = 3,565,573,674.22/98,912.16 - Step 6: Final answer
x = 36,047.88
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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.