Finding the Fourth Proportional to 747,448.97, 1,121,352.05 and 242,010.48
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Solution
The fourth proportional to 747,448.97, 1,121,352.05 and 242,010.48 is: 363,073.55
Step by Step Solution
- Step 1: Write the proportion equation
747,448.97 : 1,121,352.05 = 242,010.48 : x - Step 2: Convert to fraction form
747,448.97/1,121,352.05 = 242,010.48/x - Step 3: Cross multiply
747,448.97x = 1,121,352.05 × 242,010.48 - Step 4: Simplify right side
747,448.97x = 271,378,952,679.58 - Step 5: Solve for x
x = 271,378,952,679.58/747,448.97 - Step 6: Final answer
x = 363,073.55
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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.