Finding the Fourth Proportional to 421,140.48, 581,175.36 and 230,153.82
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Solution
The fourth proportional to 421,140.48, 581,175.36 and 230,153.82 is: 317,613.09
Step by Step Solution
- Step 1: Write the proportion equation
421,140.48 : 581,175.36 = 230,153.82 : x - Step 2: Convert to fraction form
421,140.48/581,175.36 = 230,153.82/x - Step 3: Cross multiply
421,140.48x = 581,175.36 × 230,153.82 - Step 4: Simplify right side
421,140.48x = 133,759,729,193.88 - Step 5: Solve for x
x = 133,759,729,193.88/421,140.48 - Step 6: Final answer
x = 317,613.09
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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.