Finding the Fourth Proportional to 253,263.24, 379,895.40 and 174,138.12
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Solution
The fourth proportional to 253,263.24, 379,895.40 and 174,138.12 is: 261,207.55
Step by Step Solution
- Step 1: Write the proportion equation
253,263.24 : 379,895.40 = 174,138.12 : x - Step 2: Convert to fraction form
253,263.24/379,895.40 = 174,138.12/x - Step 3: Cross multiply
253,263.24x = 379,895.40 × 174,138.12 - Step 4: Simplify right side
253,263.24x = 66,154,270,752.65 - Step 5: Solve for x
x = 66,154,270,752.65/253,263.24 - Step 6: Final answer
x = 261,207.55
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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.