Finding the Fourth Proportional to 691,721.98, 1,037,730.69 and 242,470.26
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Solution
The fourth proportional to 691,721.98, 1,037,730.69 and 242,470.26 is: 363,757.17
Step by Step Solution
- Step 1: Write the proportion equation
691,721.98 : 1,037,730.69 = 242,470.26 : x - Step 2: Convert to fraction form
691,721.98/1,037,730.69 = 242,470.26/x - Step 3: Cross multiply
691,721.98x = 1,037,730.69 × 242,470.26 - Step 4: Simplify right side
691,721.98x = 251,618,830,214.28 - Step 5: Solve for x
x = 251,618,830,214.28/691,721.98 - Step 6: Final answer
x = 363,757.17
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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.