Finding the Fourth Proportional to 334,734.26, 502,101.12 and 85,416.26
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Solution
The fourth proportional to 334,734.26, 502,101.12 and 85,416.26 is: 128,124.32
Step by Step Solution
- Step 1: Write the proportion equation
334,734.26 : 502,101.12 = 85,416.26 : x - Step 2: Convert to fraction form
334,734.26/502,101.12 = 85,416.26/x - Step 3: Cross multiply
334,734.26x = 502,101.12 × 85,416.26 - Step 4: Simplify right side
334,734.26x = 42,887,599,812.21 - Step 5: Solve for x
x = 42,887,599,812.21/334,734.26 - Step 6: Final answer
x = 128,124.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.