Finding the Fourth Proportional to 176,899.80, 265,349.70 and 77,107.80
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Solution
The fourth proportional to 176,899.80, 265,349.70 and 77,107.80 is: 115,661.70
Step by Step Solution
- Step 1: Write the proportion equation
176,899.80 : 265,349.70 = 77,107.80 : x - Step 2: Convert to fraction form
176,899.80/265,349.70 = 77,107.80/x - Step 3: Cross multiply
176,899.80x = 265,349.70 × 77,107.80 - Step 4: Simplify right side
176,899.80x = 20,460,531,597.66 - Step 5: Solve for x
x = 20,460,531,597.66/176,899.80 - Step 6: Final answer
x = 115,661.70
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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.