Finding the Fourth Proportional to 218,874.03, 302,045.40 and 118,272.03
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Solution
The fourth proportional to 218,874.03, 302,045.40 and 118,272.03 is: 163,214.99
Step by Step Solution
- Step 1: Write the proportion equation
218,874.03 : 302,045.40 = 118,272.03 : x - Step 2: Convert to fraction form
218,874.03/302,045.40 = 118,272.03/x - Step 3: Cross multiply
218,874.03x = 302,045.40 × 118,272.03 - Step 4: Simplify right side
218,874.03x = 35,723,522,610.16 - Step 5: Solve for x
x = 35,723,522,610.16/218,874.03 - Step 6: Final answer
x = 163,214.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.