Finding the Fourth Proportional to 305,140.36, 457,740.06 and 94,721.80
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Solution
The fourth proportional to 305,140.36, 457,740.06 and 94,721.80 is: 142,091.86
Step by Step Solution
- Step 1: Write the proportion equation
305,140.36 : 457,740.06 = 94,721.80 : x - Step 2: Convert to fraction form
305,140.36/457,740.06 = 94,721.80/x - Step 3: Cross multiply
305,140.36x = 457,740.06 × 94,721.80 - Step 4: Simplify right side
305,140.36x = 43,357,962,415.31 - Step 5: Solve for x
x = 43,357,962,415.31/305,140.36 - Step 6: Final answer
x = 142,091.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.