Finding the Fourth Proportional to 202,272.90, 302,718.15 and 177,389.70
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Solution
The fourth proportional to 202,272.90, 302,718.15 and 177,389.70 is: 265,478.38
Step by Step Solution
- Step 1: Write the proportion equation
202,272.90 : 302,718.15 = 177,389.70 : x - Step 2: Convert to fraction form
202,272.90/302,718.15 = 177,389.70/x - Step 3: Cross multiply
202,272.90x = 302,718.15 × 177,389.70 - Step 4: Simplify right side
202,272.90x = 53,699,081,813.06 - Step 5: Solve for x
x = 53,699,081,813.06/202,272.90 - Step 6: Final answer
x = 265,478.38
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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.