Finding the Fourth Proportional to 212,269.06, 292,931.26 and 127,386.19
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Solution
The fourth proportional to 212,269.06, 292,931.26 and 127,386.19 is: 175,792.92
Step by Step Solution
- Step 1: Write the proportion equation
212,269.06 : 292,931.26 = 127,386.19 : x - Step 2: Convert to fraction form
212,269.06/292,931.26 = 127,386.19/x - Step 3: Cross multiply
212,269.06x = 292,931.26 × 127,386.19 - Step 4: Simplify right side
212,269.06x = 37,315,397,143.30 - Step 5: Solve for x
x = 37,315,397,143.30/212,269.06 - Step 6: Final answer
x = 175,792.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.