Finding the Fourth Proportional to 469,738.61, 648,407.39 and 278,751.99
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Solution
The fourth proportional to 469,738.61, 648,407.39 and 278,751.99 is: 384,777.51
Step by Step Solution
- Step 1: Write the proportion equation
469,738.61 : 648,407.39 = 278,751.99 : x - Step 2: Convert to fraction form
469,738.61/648,407.39 = 278,751.99/x - Step 3: Cross multiply
469,738.61x = 648,407.39 × 278,751.99 - Step 4: Simplify right side
469,738.61x = 180,744,848,899.45 - Step 5: Solve for x
x = 180,744,848,899.45/469,738.61 - Step 6: Final answer
x = 384,777.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.