Finding the Fourth Proportional to 328,968.96, 453,975.36 and 185,727.68
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Solution
The fourth proportional to 328,968.96, 453,975.36 and 185,727.68 is: 256,303.18
Step by Step Solution
- Step 1: Write the proportion equation
328,968.96 : 453,975.36 = 185,727.68 : x - Step 2: Convert to fraction form
328,968.96/453,975.36 = 185,727.68/x - Step 3: Cross multiply
328,968.96x = 453,975.36 × 185,727.68 - Step 4: Simplify right side
328,968.96x = 84,315,790,389.96 - Step 5: Solve for x
x = 84,315,790,389.96/328,968.96 - Step 6: Final answer
x = 256,303.18
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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.