Finding the Fourth Proportional to 516,193.76, 712,367.60 and 353,192.15
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Solution
The fourth proportional to 516,193.76, 712,367.60 and 353,192.15 is: 487,418.99
Step by Step Solution
- Step 1: Write the proportion equation
516,193.76 : 712,367.60 = 353,192.15 : x - Step 2: Convert to fraction form
516,193.76/712,367.60 = 353,192.15/x - Step 3: Cross multiply
516,193.76x = 712,367.60 × 353,192.15 - Step 4: Simplify right side
516,193.76x = 251,602,640,242.23 - Step 5: Solve for x
x = 251,602,640,242.23/516,193.76 - Step 6: Final answer
x = 487,418.99
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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.