Finding the Fourth Proportional to 256,367.99, 353,794.95 and 141,654.02
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Solution
The fourth proportional to 256,367.99, 353,794.95 and 141,654.02 is: 195,486.48
Step by Step Solution
- Step 1: Write the proportion equation
256,367.99 : 353,794.95 = 141,654.02 : x - Step 2: Convert to fraction form
256,367.99/353,794.95 = 141,654.02/x - Step 3: Cross multiply
256,367.99x = 353,794.95 × 141,654.02 - Step 4: Simplify right side
256,367.99x = 50,116,475,154.22 - Step 5: Solve for x
x = 50,116,475,154.22/256,367.99 - Step 6: Final answer
x = 195,486.48
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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.