Finding the Fourth Proportional to 118,423.80, 177,635.70 and 35,317.80
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Solution
The fourth proportional to 118,423.80, 177,635.70 and 35,317.80 is: 52,976.70
Step by Step Solution
- Step 1: Write the proportion equation
118,423.80 : 177,635.70 = 35,317.80 : x - Step 2: Convert to fraction form
118,423.80/177,635.70 = 35,317.80/x - Step 3: Cross multiply
118,423.80x = 177,635.70 × 35,317.80 - Step 4: Simplify right side
118,423.80x = 6,273,702,125.46 - Step 5: Solve for x
x = 6,273,702,125.46/118,423.80 - Step 6: Final answer
x = 52,976.70
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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.