Finding the Fourth Proportional to 299,497.92, 413,303.96 and 163,531.44
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Solution
The fourth proportional to 299,497.92, 413,303.96 and 163,531.44 is: 225,671.66
Step by Step Solution
- Step 1: Write the proportion equation
299,497.92 : 413,303.96 = 163,531.44 : x - Step 2: Convert to fraction form
299,497.92/413,303.96 = 163,531.44/x - Step 3: Cross multiply
299,497.92x = 413,303.96 × 163,531.44 - Step 4: Simplify right side
299,497.92x = 67,588,191,736.50 - Step 5: Solve for x
x = 67,588,191,736.50/299,497.92 - Step 6: Final answer
x = 225,671.66
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1.5x scale
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.