Finding the Fourth Proportional to 251,838.87, 377,667.58 and 83,328.09
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Solution
The fourth proportional to 251,838.87, 377,667.58 and 83,328.09 is: 124,962.12
Step by Step Solution
- Step 1: Write the proportion equation
251,838.87 : 377,667.58 = 83,328.09 : x - Step 2: Convert to fraction form
251,838.87/377,667.58 = 83,328.09/x - Step 3: Cross multiply
251,838.87x = 377,667.58 × 83,328.09 - Step 4: Simplify right side
251,838.87x = 31,470,318,096.32 - Step 5: Solve for x
x = 31,470,318,096.32/251,838.87 - Step 6: Final answer
x = 124,962.12
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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.