Finding the Fourth Proportional to 474,817.60, 655,247.98 and 259,957.60
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Solution
The fourth proportional to 474,817.60, 655,247.98 and 259,957.60 is: 358,741.33
Step by Step Solution
- Step 1: Write the proportion equation
474,817.60 : 655,247.98 = 259,957.60 : x - Step 2: Convert to fraction form
474,817.60/655,247.98 = 259,957.60/x - Step 3: Cross multiply
474,817.60x = 655,247.98 × 259,957.60 - Step 4: Simplify right side
474,817.60x = 170,336,694,658.25 - Step 5: Solve for x
x = 170,336,694,658.25/474,817.60 - Step 6: Final answer
x = 358,741.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.