Finding the Fourth Proportional to 112,498.38, 168,756.53 and 37,618.99
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Solution
The fourth proportional to 112,498.38, 168,756.53 and 37,618.99 is: 56,431.48
Step by Step Solution
- Step 1: Write the proportion equation
112,498.38 : 168,756.53 = 37,618.99 : x - Step 2: Convert to fraction form
112,498.38/168,756.53 = 37,618.99/x - Step 3: Cross multiply
112,498.38x = 168,756.53 × 37,618.99 - Step 4: Simplify right side
112,498.38x = 6,348,450,214.50 - Step 5: Solve for x
x = 6,348,450,214.50/112,498.38 - Step 6: Final answer
x = 56,431.48
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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.