Finding the Fourth Proportional to 472,406.97, 651,915.40 and 257,546.68
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Solution
The fourth proportional to 472,406.97, 651,915.40 and 257,546.68 is: 355,411.03
Step by Step Solution
- Step 1: Write the proportion equation
472,406.97 : 651,915.40 = 257,546.68 : x - Step 2: Convert to fraction form
472,406.97/651,915.40 = 257,546.68/x - Step 3: Cross multiply
472,406.97x = 651,915.40 × 257,546.68 - Step 4: Simplify right side
472,406.97x = 167,898,646,910.87 - Step 5: Solve for x
x = 167,898,646,910.87/472,406.97 - Step 6: Final answer
x = 355,411.03
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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.