Finding the Fourth Proportional to 1,230,227.70, 1,845,341.55 and 343,763.70
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Solution
The fourth proportional to 1,230,227.70, 1,845,341.55 and 343,763.70 is: 515,645.55
Step by Step Solution
- Step 1: Write the proportion equation
1,230,227.70 : 1,845,341.55 = 343,763.70 : x - Step 2: Convert to fraction form
1,230,227.70/1,845,341.55 = 343,763.70/x - Step 3: Cross multiply
1,230,227.70x = 1,845,341.55 × 343,763.70 - Step 4: Simplify right side
1,230,227.70x = 634,361,438,991.74 - Step 5: Solve for x
x = 634,361,438,991.74/1,230,227.70 - Step 6: Final answer
x = 515,645.55
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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.