Finding the Fourth Proportional to 283,812.96, 425,596.08 and 81,364.48
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Solution
The fourth proportional to 283,812.96, 425,596.08 and 81,364.48 is: 122,011.35
Step by Step Solution
- Step 1: Write the proportion equation
283,812.96 : 425,596.08 = 81,364.48 : x - Step 2: Convert to fraction form
283,812.96/425,596.08 = 81,364.48/x - Step 3: Cross multiply
283,812.96x = 425,596.08 × 81,364.48 - Step 4: Simplify right side
283,812.96x = 34,628,403,739.24 - Step 5: Solve for x
x = 34,628,403,739.24/283,812.96 - Step 6: Final answer
x = 122,011.35
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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.