Finding the Fourth Proportional to 434,495.79, 651,785.58 and 134,895.92
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Solution
The fourth proportional to 434,495.79, 651,785.58 and 134,895.92 is: 202,356.89
Step by Step Solution
- Step 1: Write the proportion equation
434,495.79 : 651,785.58 = 134,895.92 : x - Step 2: Convert to fraction form
434,495.79/651,785.58 = 134,895.92/x - Step 3: Cross multiply
434,495.79x = 651,785.58 × 134,895.92 - Step 4: Simplify right side
434,495.79x = 87,923,217,086.30 - Step 5: Solve for x
x = 87,923,217,086.30/434,495.79 - Step 6: Final answer
x = 202,356.89
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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.