Finding the Fourth Proportional to 325,531.71, 487,903.91 and 167,674.05
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Solution
The fourth proportional to 325,531.71, 487,903.91 and 167,674.05 is: 251,308.31
Step by Step Solution
- Step 1: Write the proportion equation
325,531.71 : 487,903.91 = 167,674.05 : x - Step 2: Convert to fraction form
325,531.71/487,903.91 = 167,674.05/x - Step 3: Cross multiply
325,531.71x = 487,903.91 × 167,674.05 - Step 4: Simplify right side
325,531.71x = 81,808,823,762.17 - Step 5: Solve for x
x = 81,808,823,762.17/325,531.71 - Step 6: Final answer
x = 251,308.31
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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.