Finding the Fourth Proportional to 384,154.98, 530,084.97 and 214,396.26
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Solution
The fourth proportional to 384,154.98, 530,084.97 and 214,396.26 is: 295,839.55
Step by Step Solution
- Step 1: Write the proportion equation
384,154.98 : 530,084.97 = 214,396.26 : x - Step 2: Convert to fraction form
384,154.98/530,084.97 = 214,396.26/x - Step 3: Cross multiply
384,154.98x = 530,084.97 × 214,396.26 - Step 4: Simplify right side
384,154.98x = 113,648,235,050.21 - Step 5: Solve for x
x = 113,648,235,050.21/384,154.98 - Step 6: Final answer
x = 295,839.55
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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.