Finding the Fourth Proportional to 463,967.08, 640,583.10 and 356,344.84
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Solution
The fourth proportional to 463,967.08, 640,583.10 and 356,344.84 is: 491,992.84
Step by Step Solution
- Step 1: Write the proportion equation
463,967.08 : 640,583.10 = 356,344.84 : x - Step 2: Convert to fraction form
463,967.08/640,583.10 = 356,344.84/x - Step 3: Cross multiply
463,967.08x = 640,583.10 × 356,344.84 - Step 4: Simplify right side
463,967.08x = 228,268,482,276.20 - Step 5: Solve for x
x = 228,268,482,276.20/463,967.08 - Step 6: Final answer
x = 491,992.84
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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.