Finding the Fourth Proportional to 407,597.16, 611,395.14 and 267,322.92
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Solution
The fourth proportional to 407,597.16, 611,395.14 and 267,322.92 is: 400,983.99
Step by Step Solution
- Step 1: Write the proportion equation
407,597.16 : 611,395.14 = 267,322.92 : x - Step 2: Convert to fraction form
407,597.16/611,395.14 = 267,322.92/x - Step 3: Cross multiply
407,597.16x = 611,395.14 × 267,322.92 - Step 4: Simplify right side
407,597.16x = 163,439,934,098.61 - Step 5: Solve for x
x = 163,439,934,098.61/407,597.16 - Step 6: Final answer
x = 400,983.99
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1.5x scale
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.