Finding the Fourth Proportional to 491,024.88, 677,707.50 and 307,348.68
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Solution
The fourth proportional to 491,024.88, 677,707.50 and 307,348.68 is: 424,199.49
Step by Step Solution
- Step 1: Write the proportion equation
491,024.88 : 677,707.50 = 307,348.68 : x - Step 2: Convert to fraction form
491,024.88/677,707.50 = 307,348.68/x - Step 3: Cross multiply
491,024.88x = 677,707.50 × 307,348.68 - Step 4: Simplify right side
491,024.88x = 208,292,505,551.10 - Step 5: Solve for x
x = 208,292,505,551.10/491,024.88 - Step 6: Final answer
x = 424,199.49
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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.