Finding the Fourth Proportional to 221,293.82, 305,384.08 and 125,800.54
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Solution
The fourth proportional to 221,293.82, 305,384.08 and 125,800.54 is: 173,603.95
Step by Step Solution
- Step 1: Write the proportion equation
221,293.82 : 305,384.08 = 125,800.54 : x - Step 2: Convert to fraction form
221,293.82/305,384.08 = 125,800.54/x - Step 3: Cross multiply
221,293.82x = 305,384.08 × 125,800.54 - Step 4: Simplify right side
221,293.82x = 38,417,482,171.40 - Step 5: Solve for x
x = 38,417,482,171.40/221,293.82 - Step 6: Final answer
x = 173,603.95
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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.