Finding the Fourth Proportional to 149,769.24, 224,578.74 and 49,894.32
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Solution
The fourth proportional to 149,769.24, 224,578.74 and 49,894.32 is: 74,816.45
Step by Step Solution
- Step 1: Write the proportion equation
149,769.24 : 224,578.74 = 49,894.32 : x - Step 2: Convert to fraction form
149,769.24/224,578.74 = 49,894.32/x - Step 3: Cross multiply
149,769.24x = 224,578.74 × 49,894.32 - Step 4: Simplify right side
149,769.24x = 11,205,203,518.76 - Step 5: Solve for x
x = 11,205,203,518.76/149,769.24 - Step 6: Final answer
x = 74,816.45
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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.