Finding the Fourth Proportional to 124,440.86, 186,721.36 and 61,226.70
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Solution
The fourth proportional to 124,440.86, 186,721.36 and 61,226.70 is: 91,869.61
Step by Step Solution
- Step 1: Write the proportion equation
124,440.86 : 186,721.36 = 61,226.70 : x - Step 2: Convert to fraction form
124,440.86/186,721.36 = 61,226.70/x - Step 3: Cross multiply
124,440.86x = 186,721.36 × 61,226.70 - Step 4: Simplify right side
124,440.86x = 11,432,332,692.31 - Step 5: Solve for x
x = 11,432,332,692.31/124,440.86 - Step 6: Final answer
x = 91,869.61
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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.