Finding the Fourth Proportional to 815,615.08, 1,223,434.93 and 283,153.03
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Solution
The fourth proportional to 815,615.08, 1,223,434.93 and 283,153.03 is: 424,733.82
Step by Step Solution
- Step 1: Write the proportion equation
815,615.08 : 1,223,434.93 = 283,153.03 : x - Step 2: Convert to fraction form
815,615.08/1,223,434.93 = 283,153.03/x - Step 3: Cross multiply
815,615.08x = 1,223,434.93 × 283,153.03 - Step 4: Simplify right side
815,615.08x = 346,419,306,021.57 - Step 5: Solve for x
x = 346,419,306,021.57/815,615.08 - Step 6: Final answer
x = 424,733.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.