Finding the Fourth Proportional to 486,027.70, 729,041.55 and 365,305.30
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Solution
The fourth proportional to 486,027.70, 729,041.55 and 365,305.30 is: 547,957.95
Step by Step Solution
- Step 1: Write the proportion equation
486,027.70 : 729,041.55 = 365,305.30 : x - Step 2: Convert to fraction form
486,027.70/729,041.55 = 365,305.30/x - Step 3: Cross multiply
486,027.70x = 729,041.55 × 365,305.30 - Step 4: Simplify right side
486,027.70x = 266,322,742,135.22 - Step 5: Solve for x
x = 266,322,742,135.22/486,027.70 - Step 6: Final answer
x = 547,957.95
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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.