Finding the Fourth Proportional to 421,244.42, 581,317.26 and 230,258.58
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Solution
The fourth proportional to 421,244.42, 581,317.26 and 230,258.58 is: 317,756.82
Step by Step Solution
- Step 1: Write the proportion equation
421,244.42 : 581,317.26 = 230,258.58 : x - Step 2: Convert to fraction form
421,244.42/581,317.26 = 230,258.58/x - Step 3: Cross multiply
421,244.42x = 581,317.26 × 230,258.58 - Step 4: Simplify right side
421,244.42x = 133,853,286,817.09 - Step 5: Solve for x
x = 133,853,286,817.09/421,244.42 - Step 6: Final answer
x = 317,756.82
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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.