Finding the Fourth Proportional to 308,750.40, 462,883.68 and 121,901.76
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Solution
The fourth proportional to 308,750.40, 462,883.68 and 121,901.76 is: 182,757.12
Step by Step Solution
- Step 1: Write the proportion equation
308,750.40 : 462,883.68 = 121,901.76 : x - Step 2: Convert to fraction form
308,750.40/462,883.68 = 121,901.76/x - Step 3: Cross multiply
308,750.40x = 462,883.68 × 121,901.76 - Step 4: Simplify right side
308,750.40x = 56,426,335,267.28 - Step 5: Solve for x
x = 56,426,335,267.28/308,750.40 - Step 6: Final answer
x = 182,757.12
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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.