Finding the Fourth Proportional to 218,798.96, 328,327.56 and 92,430.99
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Solution
The fourth proportional to 218,798.96, 328,327.56 and 92,430.99 is: 138,701.03
Step by Step Solution
- Step 1: Write the proportion equation
218,798.96 : 328,327.56 = 92,430.99 : x - Step 2: Convert to fraction form
218,798.96/328,327.56 = 92,430.99/x - Step 3: Cross multiply
218,798.96x = 328,327.56 × 92,430.99 - Step 4: Simplify right side
218,798.96x = 30,347,641,415.08 - Step 5: Solve for x
x = 30,347,641,415.08/218,798.96 - Step 6: Final answer
x = 138,701.03
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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.