Finding the Fourth Proportional to 261,612.19, 361,031.73 and 146,899.99
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Solution
The fourth proportional to 261,612.19, 361,031.73 and 146,899.99 is: 202,725.87
Step by Step Solution
- Step 1: Write the proportion equation
261,612.19 : 361,031.73 = 146,899.99 : x - Step 2: Convert to fraction form
261,612.19/361,031.73 = 146,899.99/x - Step 3: Cross multiply
261,612.19x = 361,031.73 × 146,899.99 - Step 4: Simplify right side
261,612.19x = 53,035,557,526.68 - Step 5: Solve for x
x = 53,035,557,526.68/261,612.19 - Step 6: Final answer
x = 202,725.87
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1.5x scale
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.