Finding the Fourth Proportional to 419,284.44, 578,622.05 and 237,979.41
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Solution
The fourth proportional to 419,284.44, 578,622.05 and 237,979.41 is: 328,416.99
Step by Step Solution
- Step 1: Write the proportion equation
419,284.44 : 578,622.05 = 237,979.41 : x - Step 2: Convert to fraction form
419,284.44/578,622.05 = 237,979.41/x - Step 3: Cross multiply
419,284.44x = 578,622.05 × 237,979.41 - Step 4: Simplify right side
419,284.44x = 137,700,133,232.06 - Step 5: Solve for x
x = 137,700,133,232.06/419,284.44 - Step 6: Final answer
x = 328,416.99
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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.