Finding the Fourth Proportional to 383,478.26, 529,338.93 and 232,572.02
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Solution
The fourth proportional to 383,478.26, 529,338.93 and 232,572.02 is: 321,033.65
Step by Step Solution
- Step 1: Write the proportion equation
383,478.26 : 529,338.93 = 232,572.02 : x - Step 2: Convert to fraction form
383,478.26/529,338.93 = 232,572.02/x - Step 3: Cross multiply
383,478.26x = 529,338.93 × 232,572.02 - Step 4: Simplify right side
383,478.26x = 123,109,424,214.74 - Step 5: Solve for x
x = 123,109,424,214.74/383,478.26 - Step 6: Final answer
x = 321,033.65
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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.