Finding the Fourth Proportional to 142,854.62, 214,279.74 and 34,784.99
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Solution
The fourth proportional to 142,854.62, 214,279.74 and 34,784.99 is: 52,176.96
Step by Step Solution
- Step 1: Write the proportion equation
142,854.62 : 214,279.74 = 34,784.99 : x - Step 2: Convert to fraction form
142,854.62/214,279.74 = 34,784.99/x - Step 3: Cross multiply
142,854.62x = 214,279.74 × 34,784.99 - Step 4: Simplify right side
142,854.62x = 7,453,719,148.80 - Step 5: Solve for x
x = 7,453,719,148.80/142,854.62 - Step 6: Final answer
x = 52,176.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.