Finding the Fourth Proportional to 284,517.20, 425,854.20 and 221,848.40
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Solution
The fourth proportional to 284,517.20, 425,854.20 and 221,848.40 is: 332,053.99
Step by Step Solution
- Step 1: Write the proportion equation
284,517.20 : 425,854.20 = 221,848.40 : x - Step 2: Convert to fraction form
284,517.20/425,854.20 = 221,848.40/x - Step 3: Cross multiply
284,517.20x = 425,854.20 × 221,848.40 - Step 4: Simplify right side
284,517.20x = 94,475,072,903.28 - Step 5: Solve for x
x = 94,475,072,903.28/284,517.20 - Step 6: Final answer
x = 332,053.99
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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.