Finding the Fourth Proportional to 282,636.48, 423,659.52 and 207,645.12
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Solution
The fourth proportional to 282,636.48, 423,659.52 and 207,645.12 is: 311,250.80
Step by Step Solution
- Step 1: Write the proportion equation
282,636.48 : 423,659.52 = 207,645.12 : x - Step 2: Convert to fraction form
282,636.48/423,659.52 = 207,645.12/x - Step 3: Cross multiply
282,636.48x = 423,659.52 × 207,645.12 - Step 4: Simplify right side
282,636.48x = 87,970,831,869.54 - Step 5: Solve for x
x = 87,970,831,869.54/282,636.48 - Step 6: Final answer
x = 311,250.80
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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.