Finding the Fourth Proportional to 305,362.40, 457,828.99 and 134,503.03
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Solution
The fourth proportional to 305,362.40, 457,828.99 and 134,503.03 is: 201,660.02
Step by Step Solution
- Step 1: Write the proportion equation
305,362.40 : 457,828.99 = 134,503.03 : x - Step 2: Convert to fraction form
305,362.40/457,828.99 = 134,503.03/x - Step 3: Cross multiply
305,362.40x = 457,828.99 × 134,503.03 - Step 4: Simplify right side
305,362.40x = 61,579,386,376.84 - Step 5: Solve for x
x = 61,579,386,376.84/305,362.40 - Step 6: Final answer
x = 201,660.02
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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.