Finding the Fourth Proportional to 557,339.94, 769,137.93 and 315,615.96
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Solution
The fourth proportional to 557,339.94, 769,137.93 and 315,615.96 is: 435,555.02
Step by Step Solution
- Step 1: Write the proportion equation
557,339.94 : 769,137.93 = 315,615.96 : x - Step 2: Convert to fraction form
557,339.94/769,137.93 = 315,615.96/x - Step 3: Cross multiply
557,339.94x = 769,137.93 × 315,615.96 - Step 4: Simplify right side
557,339.94x = 242,752,206,149.36 - Step 5: Solve for x
x = 242,752,206,149.36/557,339.94 - Step 6: Final answer
x = 435,555.02
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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.