Finding the Fourth Proportional to 112,312.04, 168,508.15 and 48,243.26
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Solution
The fourth proportional to 112,312.04, 168,508.15 and 48,243.26 is: 72,382.12
Step by Step Solution
- Step 1: Write the proportion equation
112,312.04 : 168,508.15 = 48,243.26 : x - Step 2: Convert to fraction form
112,312.04/168,508.15 = 48,243.26/x - Step 3: Cross multiply
112,312.04x = 168,508.15 × 48,243.26 - Step 4: Simplify right side
112,312.04x = 8,129,382,793.23 - Step 5: Solve for x
x = 8,129,382,793.23/112,312.04 - Step 6: Final answer
x = 72,382.12
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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.