Finding the Fourth Proportional to 418,742.68, 577,674.30 and 248,880.28
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Solution
The fourth proportional to 418,742.68, 577,674.30 and 248,880.28 is: 343,341.50
Step by Step Solution
- Step 1: Write the proportion equation
418,742.68 : 577,674.30 = 248,880.28 : x - Step 2: Convert to fraction form
418,742.68/577,674.30 = 248,880.28/x - Step 3: Cross multiply
418,742.68x = 577,674.30 × 248,880.28 - Step 4: Simplify right side
418,742.68x = 143,771,741,532.80 - Step 5: Solve for x
x = 143,771,741,532.80/418,742.68 - Step 6: Final answer
x = 343,341.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.