Finding the Fourth Proportional to 508,179.99, 762,384.99 and 171,211.49
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Solution
The fourth proportional to 508,179.99, 762,384.99 and 171,211.49 is: 256,855.97
Step by Step Solution
- Step 1: Write the proportion equation
508,179.99 : 762,384.99 = 171,211.49 : x - Step 2: Convert to fraction form
508,179.99/762,384.99 = 171,211.49/x - Step 3: Cross multiply
508,179.99x = 762,384.99 × 171,211.49 - Step 4: Simplify right side
508,179.99x = 130,529,066,279.61 - Step 5: Solve for x
x = 130,529,066,279.61/508,179.99 - Step 6: Final answer
x = 256,855.97
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Similar ratio
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1.5x scale
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.