Finding the Fourth Proportional to 221,277.60, 305,390.52 and 135,218.88
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Solution
The fourth proportional to 221,277.60, 305,390.52 and 135,218.88 is: 186,618.82
Step by Step Solution
- Step 1: Write the proportion equation
221,277.60 : 305,390.52 = 135,218.88 : x - Step 2: Convert to fraction form
221,277.60/305,390.52 = 135,218.88/x - Step 3: Cross multiply
221,277.60x = 305,390.52 × 135,218.88 - Step 4: Simplify right side
221,277.60x = 41,294,564,077.02 - Step 5: Solve for x
x = 41,294,564,077.02/221,277.60 - Step 6: Final answer
x = 186,618.82
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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.