Finding the Fourth Proportional to 252,175.08, 378,260.94 and 74,683.08
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Solution
The fourth proportional to 252,175.08, 378,260.94 and 74,683.08 is: 112,024.12
Step by Step Solution
- Step 1: Write the proportion equation
252,175.08 : 378,260.94 = 74,683.08 : x - Step 2: Convert to fraction form
252,175.08/378,260.94 = 74,683.08/x - Step 3: Cross multiply
252,175.08x = 378,260.94 × 74,683.08 - Step 4: Simplify right side
252,175.08x = 28,249,692,042.90 - Step 5: Solve for x
x = 28,249,692,042.90/252,175.08 - Step 6: Final answer
x = 112,024.12
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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.