Finding the Fourth Proportional to 299,497.12, 413,322.76 and 163,543.68
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Solution
The fourth proportional to 299,497.12, 413,322.76 and 163,543.68 is: 225,699.42
Step by Step Solution
- Step 1: Write the proportion equation
299,497.12 : 413,322.76 = 163,543.68 : x - Step 2: Convert to fraction form
299,497.12/413,322.76 = 163,543.68/x - Step 3: Cross multiply
299,497.12x = 413,322.76 × 163,543.68 - Step 4: Simplify right side
299,497.12x = 67,596,326,795.04 - Step 5: Solve for x
x = 67,596,326,795.04/299,497.12 - Step 6: Final answer
x = 225,699.42
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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.