Finding the Fourth Proportional to 437,915.09, 604,322.55 and 236,711.09
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Solution
The fourth proportional to 437,915.09, 604,322.55 and 236,711.09 is: 326,661.15
Step by Step Solution
- Step 1: Write the proportion equation
437,915.09 : 604,322.55 = 236,711.09 : x - Step 2: Convert to fraction form
437,915.09/604,322.55 = 236,711.09/x - Step 3: Cross multiply
437,915.09x = 604,322.55 × 236,711.09 - Step 4: Simplify right side
437,915.09x = 143,049,846,500.47 - Step 5: Solve for x
x = 143,049,846,500.47/437,915.09 - Step 6: Final answer
x = 326,661.15
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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.