Finding the Fourth Proportional to 386,801.68, 533,824.68 and 259,741.84
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Solution
The fourth proportional to 386,801.68, 533,824.68 and 259,741.84 is: 358,469.50
Step by Step Solution
- Step 1: Write the proportion equation
386,801.68 : 533,824.68 = 259,741.84 : x - Step 2: Convert to fraction form
386,801.68/533,824.68 = 259,741.84/x - Step 3: Cross multiply
386,801.68x = 533,824.68 × 259,741.84 - Step 4: Simplify right side
386,801.68x = 138,656,604,620.61 - Step 5: Solve for x
x = 138,656,604,620.61/386,801.68 - Step 6: Final answer
x = 358,469.50
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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.