Finding the Fourth Proportional to 557,747.07, 769,688.88 and 316,075.68
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Solution
The fourth proportional to 557,747.07, 769,688.88 and 316,075.68 is: 436,183.26
Step by Step Solution
- Step 1: Write the proportion equation
557,747.07 : 769,688.88 = 316,075.68 : x - Step 2: Convert to fraction form
557,747.07/769,688.88 = 316,075.68/x - Step 3: Cross multiply
557,747.07x = 769,688.88 × 316,075.68 - Step 4: Simplify right side
557,747.07x = 243,279,936,134.44 - Step 5: Solve for x
x = 243,279,936,134.44/557,747.07 - Step 6: Final answer
x = 436,183.26
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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.