Finding the Fourth Proportional to 1,053,990.94, 1,580,990.16 and 255,273.03
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Solution
The fourth proportional to 1,053,990.94, 1,580,990.16 and 255,273.03 is: 382,910.45
Step by Step Solution
- Step 1: Write the proportion equation
1,053,990.94 : 1,580,990.16 = 255,273.03 : x - Step 2: Convert to fraction form
1,053,990.94/1,580,990.16 = 255,273.03/x - Step 3: Cross multiply
1,053,990.94x = 1,580,990.16 × 255,273.03 - Step 4: Simplify right side
1,053,990.94x = 403,584,148,543.39 - Step 5: Solve for x
x = 403,584,148,543.39/1,053,990.94 - Step 6: Final answer
x = 382,910.45
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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.