Finding the Fourth Proportional to 402,937.68, 556,072.80 and 233,138.96
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Solution
The fourth proportional to 402,937.68, 556,072.80 and 233,138.96 is: 321,742.64
Step by Step Solution
- Step 1: Write the proportion equation
402,937.68 : 556,072.80 = 233,138.96 : x - Step 2: Convert to fraction form
402,937.68/556,072.80 = 233,138.96/x - Step 3: Cross multiply
402,937.68x = 556,072.80 × 233,138.96 - Step 4: Simplify right side
402,937.68x = 129,642,234,276.29 - Step 5: Solve for x
x = 129,642,234,276.29/402,937.68 - Step 6: Final answer
x = 321,742.64
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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.