Finding the Fourth Proportional to 517,564.26, 714,221.93 and 288,114.05
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Solution
The fourth proportional to 517,564.26, 714,221.93 and 288,114.05 is: 397,588.06
Step by Step Solution
- Step 1: Write the proportion equation
517,564.26 : 714,221.93 = 288,114.05 : x - Step 2: Convert to fraction form
517,564.26/714,221.93 = 288,114.05/x - Step 3: Cross multiply
517,564.26x = 714,221.93 × 288,114.05 - Step 4: Simplify right side
517,564.26x = 205,777,367,839.44 - Step 5: Solve for x
x = 205,777,367,839.44/517,564.26 - Step 6: Final answer
x = 397,588.06
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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.