Finding the Fourth Proportional to 283,365.60, 424,918.80 and 125,512.80
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Solution
The fourth proportional to 283,365.60, 424,918.80 and 125,512.80 is: 188,211.80
Step by Step Solution
- Step 1: Write the proportion equation
283,365.60 : 424,918.80 = 125,512.80 : x - Step 2: Convert to fraction form
283,365.60/424,918.80 = 125,512.80/x - Step 3: Cross multiply
283,365.60x = 424,918.80 × 125,512.80 - Step 4: Simplify right side
283,365.60x = 53,332,748,360.64 - Step 5: Solve for x
x = 53,332,748,360.64/283,365.60 - Step 6: Final answer
x = 188,211.80
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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.