Finding the Fourth Proportional to 469,335.08, 647,716.74 and 268,126.76
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Solution
The fourth proportional to 469,335.08, 647,716.74 and 268,126.76 is: 370,034.54
Step by Step Solution
- Step 1: Write the proportion equation
469,335.08 : 647,716.74 = 268,126.76 : x - Step 2: Convert to fraction form
469,335.08/647,716.74 = 268,126.76/x - Step 3: Cross multiply
469,335.08x = 647,716.74 × 268,126.76 - Step 4: Simplify right side
469,335.08x = 173,670,190,893.96 - Step 5: Solve for x
x = 173,670,190,893.96/469,335.08 - Step 6: Final answer
x = 370,034.54
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1.5x scale
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.