Finding the Fourth Proportional to 245,523.12, 368,020.08 and 118,895.28
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Solution
The fourth proportional to 245,523.12, 368,020.08 and 118,895.28 is: 178,214.79
Step by Step Solution
- Step 1: Write the proportion equation
245,523.12 : 368,020.08 = 118,895.28 : x - Step 2: Convert to fraction form
245,523.12/368,020.08 = 118,895.28/x - Step 3: Cross multiply
245,523.12x = 368,020.08 × 118,895.28 - Step 4: Simplify right side
245,523.12x = 43,755,850,457.22 - Step 5: Solve for x
x = 43,755,850,457.22/245,523.12 - Step 6: Final answer
x = 178,214.79
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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.