Finding the Fourth Proportional to 426,088.94, 587,920.79 and 256,333.98
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Solution
The fourth proportional to 426,088.94, 587,920.79 and 256,333.98 is: 353,691.59
Step by Step Solution
- Step 1: Write the proportion equation
426,088.94 : 587,920.79 = 256,333.98 : x - Step 2: Convert to fraction form
426,088.94/587,920.79 = 256,333.98/x - Step 3: Cross multiply
426,088.94x = 587,920.79 × 256,333.98 - Step 4: Simplify right side
426,088.94x = 150,704,076,025.44 - Step 5: Solve for x
x = 150,704,076,025.44/426,088.94 - Step 6: Final answer
x = 353,691.59
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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.