Finding the Fourth Proportional to 308,130.60, 462,152.70 and 97,789.80
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Solution
The fourth proportional to 308,130.60, 462,152.70 and 97,789.80 is: 146,670.99
Step by Step Solution
- Step 1: Write the proportion equation
308,130.60 : 462,152.70 = 97,789.80 : x - Step 2: Convert to fraction form
308,130.60/462,152.70 = 97,789.80/x - Step 3: Cross multiply
308,130.60x = 462,152.70 × 97,789.80 - Step 4: Simplify right side
308,130.60x = 45,193,820,102.46 - Step 5: Solve for x
x = 45,193,820,102.46/308,130.60 - Step 6: Final answer
x = 146,670.99
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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.