Finding the Fourth Proportional to 352,267.50, 486,129.15 and 201,367.74
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Solution
The fourth proportional to 352,267.50, 486,129.15 and 201,367.74 is: 277,887.48
Step by Step Solution
- Step 1: Write the proportion equation
352,267.50 : 486,129.15 = 201,367.74 : x - Step 2: Convert to fraction form
352,267.50/486,129.15 = 201,367.74/x - Step 3: Cross multiply
352,267.50x = 486,129.15 × 201,367.74 - Step 4: Simplify right side
352,267.50x = 97,890,728,283.62 - Step 5: Solve for x
x = 97,890,728,283.62/352,267.50 - Step 6: Final answer
x = 277,887.48
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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.