Finding the Fourth Proportional to 375,328.64, 517,990.56 and 214,207.79
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Solution
The fourth proportional to 375,328.64, 517,990.56 and 214,207.79 is: 295,627.89
Step by Step Solution
- Step 1: Write the proportion equation
375,328.64 : 517,990.56 = 214,207.79 : x - Step 2: Convert to fraction form
375,328.64/517,990.56 = 214,207.79/x - Step 3: Cross multiply
375,328.64x = 517,990.56 × 214,207.79 - Step 4: Simplify right side
375,328.64x = 110,957,613,098.46 - Step 5: Solve for x
x = 110,957,613,098.46/375,328.64 - Step 6: Final answer
x = 295,627.89
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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.