Finding the Fourth Proportional to 112,312.29, 168,508.53 and 48,243.52
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Solution
The fourth proportional to 112,312.29, 168,508.53 and 48,243.52 is: 72,382.50
Step by Step Solution
- Step 1: Write the proportion equation
112,312.29 : 168,508.53 = 48,243.52 : x - Step 2: Convert to fraction form
112,312.29/168,508.53 = 48,243.52/x - Step 3: Cross multiply
112,312.29x = 168,508.53 × 48,243.52 - Step 4: Simplify right side
112,312.29x = 8,129,444,637.23 - Step 5: Solve for x
x = 8,129,444,637.23/112,312.29 - Step 6: Final answer
x = 72,382.50
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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.