Finding the Fourth Proportional to 1,430,315.60, 2,145,471.28 and 365,357.94
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Solution
The fourth proportional to 1,430,315.60, 2,145,471.28 and 365,357.94 is: 548,036.37
Step by Step Solution
- Step 1: Write the proportion equation
1,430,315.60 : 2,145,471.28 = 365,357.94 : x - Step 2: Convert to fraction form
1,430,315.60/2,145,471.28 = 365,357.94/x - Step 3: Cross multiply
1,430,315.60x = 2,145,471.28 × 365,357.94 - Step 4: Simplify right side
1,430,315.60x = 783,864,967,189.96 - Step 5: Solve for x
x = 783,864,967,189.96/1,430,315.60 - Step 6: Final answer
x = 548,036.37
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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.