Finding the Fourth Proportional to 145,216.84, 217,790.68 and 40,044.28
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Solution
The fourth proportional to 145,216.84, 217,790.68 and 40,044.28 is: 60,056.88
Step by Step Solution
- Step 1: Write the proportion equation
145,216.84 : 217,790.68 = 40,044.28 : x - Step 2: Convert to fraction form
145,216.84/217,790.68 = 40,044.28/x - Step 3: Cross multiply
145,216.84x = 217,790.68 × 40,044.28 - Step 4: Simplify right side
145,216.84x = 8,721,270,971.31 - Step 5: Solve for x
x = 8,721,270,971.31/145,216.84 - Step 6: Final answer
x = 60,056.88
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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.