Finding the Fourth Proportional to 201,519.70, 302,279.55 and 170,415.70
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Solution
The fourth proportional to 201,519.70, 302,279.55 and 170,415.70 is: 255,623.55
Step by Step Solution
- Step 1: Write the proportion equation
201,519.70 : 302,279.55 = 170,415.70 : x - Step 2: Convert to fraction form
201,519.70/302,279.55 = 170,415.70/x - Step 3: Cross multiply
201,519.70x = 302,279.55 × 170,415.70 - Step 4: Simplify right side
201,519.70x = 51,513,181,108.94 - Step 5: Solve for x
x = 51,513,181,108.94/201,519.70 - Step 6: Final answer
x = 255,623.55
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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.