Finding the Fourth Proportional to 616,108.20, 924,032.70 and 261,133.80
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Solution
The fourth proportional to 616,108.20, 924,032.70 and 261,133.80 is: 391,645.77
Step by Step Solution
- Step 1: Write the proportion equation
616,108.20 : 924,032.70 = 261,133.80 : x - Step 2: Convert to fraction form
616,108.20/924,032.70 = 261,133.80/x - Step 3: Cross multiply
616,108.20x = 924,032.70 × 261,133.80 - Step 4: Simplify right side
616,108.20x = 241,296,170,275.26 - Step 5: Solve for x
x = 241,296,170,275.26/616,108.20 - Step 6: Final answer
x = 391,645.77
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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.