Finding the Fourth Proportional to 405,750.20, 608,625.30 and 293,775.80
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Solution
The fourth proportional to 405,750.20, 608,625.30 and 293,775.80 is: 440,663.70
Step by Step Solution
- Step 1: Write the proportion equation
405,750.20 : 608,625.30 = 293,775.80 : x - Step 2: Convert to fraction form
405,750.20/608,625.30 = 293,775.80/x - Step 3: Cross multiply
405,750.20x = 608,625.30 × 293,775.80 - Step 4: Simplify right side
405,750.20x = 178,799,384,407.74 - Step 5: Solve for x
x = 178,799,384,407.74/405,750.20 - Step 6: Final answer
x = 440,663.70
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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.