Finding the Fourth Proportional to 293,259.60, 439,846.20 and 82,918.80
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Solution
The fourth proportional to 293,259.60, 439,846.20 and 82,918.80 is: 124,365.99
Step by Step Solution
- Step 1: Write the proportion equation
293,259.60 : 439,846.20 = 82,918.80 : x - Step 2: Convert to fraction form
293,259.60/439,846.20 = 82,918.80/x - Step 3: Cross multiply
293,259.60x = 439,846.20 × 82,918.80 - Step 4: Simplify right side
293,259.60x = 36,471,519,088.56 - Step 5: Solve for x
x = 36,471,519,088.56/293,259.60 - Step 6: Final answer
x = 124,365.99
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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.