Finding the Fourth Proportional to 125,631.60, 176,350.80 and 125,631.60
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Solution
The fourth proportional to 125,631.60, 176,350.80 and 125,631.60 is: 176,350.80
Step by Step Solution
- Step 1: Write the proportion equation
125,631.60 : 176,350.80 = 125,631.60 : x - Step 2: Convert to fraction form
125,631.60/176,350.80 = 125,631.60/x - Step 3: Cross multiply
125,631.60x = 176,350.80 × 125,631.60 - Step 4: Simplify right side
125,631.60x = 22,155,233,165.28 - Step 5: Solve for x
x = 22,155,233,165.28/125,631.60 - Step 6: Final answer
x = 176,350.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.