Finding the Fourth Proportional to 308,178.60, 462,224.70 and 97,837.80
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Solution
The fourth proportional to 308,178.60, 462,224.70 and 97,837.80 is: 146,742.99
Step by Step Solution
- Step 1: Write the proportion equation
308,178.60 : 462,224.70 = 97,837.80 : x - Step 2: Convert to fraction form
308,178.60/462,224.70 = 97,837.80/x - Step 3: Cross multiply
308,178.60x = 462,224.70 × 97,837.80 - Step 4: Simplify right side
308,178.60x = 45,223,047,753.66 - Step 5: Solve for x
x = 45,223,047,753.66/308,178.60 - Step 6: Final answer
x = 146,742.99
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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.