Finding the Fourth Proportional to 221,351.52, 305,465.14 and 125,864.07
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Solution
The fourth proportional to 221,351.52, 305,465.14 and 125,864.07 is: 173,692.44
Step by Step Solution
- Step 1: Write the proportion equation
221,351.52 : 305,465.14 = 125,864.07 : x - Step 2: Convert to fraction form
221,351.52/305,465.14 = 125,864.07/x - Step 3: Cross multiply
221,351.52x = 305,465.14 × 125,864.07 - Step 4: Simplify right side
221,351.52x = 38,447,085,763.52 - Step 5: Solve for x
x = 38,447,085,763.52/221,351.52 - Step 6: Final answer
x = 173,692.44
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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.