Finding the Fourth Proportional to 402,775.68, 604,185.80 and 132,893.16
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Solution
The fourth proportional to 402,775.68, 604,185.80 and 132,893.16 is: 199,347.09
Step by Step Solution
- Step 1: Write the proportion equation
402,775.68 : 604,185.80 = 132,893.16 : x - Step 2: Convert to fraction form
402,775.68/604,185.80 = 132,893.16/x - Step 3: Cross multiply
402,775.68x = 604,185.80 × 132,893.16 - Step 4: Simplify right side
402,775.68x = 80,292,160,189.13 - Step 5: Solve for x
x = 80,292,160,189.13/402,775.68 - Step 6: Final answer
x = 199,347.09
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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.