Finding the Fourth Proportional to 421,580.33, 581,766.24 and 240,350.63
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Solution
The fourth proportional to 421,580.33, 581,766.24 and 240,350.63 is: 331,675.53
Step by Step Solution
- Step 1: Write the proportion equation
421,580.33 : 581,766.24 = 240,350.63 : x - Step 2: Convert to fraction form
421,580.33/581,766.24 = 240,350.63/x - Step 3: Cross multiply
421,580.33x = 581,766.24 × 240,350.63 - Step 4: Simplify right side
421,580.33x = 139,827,879,387.90 - Step 5: Solve for x
x = 139,827,879,387.90/421,580.33 - Step 6: Final answer
x = 331,675.53
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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.