Finding the Fourth Proportional to 221,276.07, 305,360.82 and 125,788.82
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Solution
The fourth proportional to 221,276.07, 305,360.82 and 125,788.82 is: 173,588.48
Step by Step Solution
- Step 1: Write the proportion equation
221,276.07 : 305,360.82 = 125,788.82 : x - Step 2: Convert to fraction form
221,276.07/305,360.82 = 125,788.82/x - Step 3: Cross multiply
221,276.07x = 305,360.82 × 125,788.82 - Step 4: Simplify right side
221,276.07x = 38,410,975,695.23 - Step 5: Solve for x
x = 38,410,975,695.23/221,276.07 - Step 6: Final answer
x = 173,588.48
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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.