Finding the Fourth Proportional to 471,916.26, 651,250.13 and 257,058.09
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Solution
The fourth proportional to 471,916.26, 651,250.13 and 257,058.09 is: 354,743.26
Step by Step Solution
- Step 1: Write the proportion equation
471,916.26 : 651,250.13 = 257,058.09 : x - Step 2: Convert to fraction form
471,916.26/651,250.13 = 257,058.09/x - Step 3: Cross multiply
471,916.26x = 651,250.13 × 257,058.09 - Step 4: Simplify right side
471,916.26x = 167,409,113,244.76 - Step 5: Solve for x
x = 167,409,113,244.76/471,916.26 - Step 6: Final answer
x = 354,743.26
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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.