Finding the Fourth Proportional to 307,181.42, 460,979.72 and 107,503.59
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Solution
The fourth proportional to 307,181.42, 460,979.72 and 107,503.59 is: 161,328.03
Step by Step Solution
- Step 1: Write the proportion equation
307,181.42 : 460,979.72 = 107,503.59 : x - Step 2: Convert to fraction form
307,181.42/460,979.72 = 107,503.59/x - Step 3: Cross multiply
307,181.42x = 460,979.72 × 107,503.59 - Step 4: Simplify right side
307,181.42x = 49,556,974,817.19 - Step 5: Solve for x
x = 49,556,974,817.19/307,181.42 - Step 6: Final answer
x = 161,328.03
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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.