Finding the Fourth Proportional to 328,643.44, 453,527.95 and 177,740.44
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Solution
The fourth proportional to 328,643.44, 453,527.95 and 177,740.44 is: 245,281.81
Step by Step Solution
- Step 1: Write the proportion equation
328,643.44 : 453,527.95 = 177,740.44 : x - Step 2: Convert to fraction form
328,643.44/453,527.95 = 177,740.44/x - Step 3: Cross multiply
328,643.44x = 453,527.95 × 177,740.44 - Step 4: Simplify right side
328,643.44x = 80,610,255,807.13 - Step 5: Solve for x
x = 80,610,255,807.13/328,643.44 - Step 6: Final answer
x = 245,281.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.