Finding the Fourth Proportional to 202,212.90, 303,319.35 and 164,159.10
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Solution
The fourth proportional to 202,212.90, 303,319.35 and 164,159.10 is: 246,238.65
Step by Step Solution
- Step 1: Write the proportion equation
202,212.90 : 303,319.35 = 164,159.10 : x - Step 2: Convert to fraction form
202,212.90/303,319.35 = 164,159.10/x - Step 3: Cross multiply
202,212.90x = 303,319.35 × 164,159.10 - Step 4: Simplify right side
202,212.90x = 49,792,631,508.59 - Step 5: Solve for x
x = 49,792,631,508.59/202,212.90 - Step 6: Final answer
x = 246,238.65
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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.