Finding the Fourth Proportional to 170,931.87, 256,472.87 and 90,950.99
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Solution
The fourth proportional to 170,931.87, 256,472.87 and 90,950.99 is: 136,466.42
Step by Step Solution
- Step 1: Write the proportion equation
170,931.87 : 256,472.87 = 90,950.99 : x - Step 2: Convert to fraction form
170,931.87/256,472.87 = 90,950.99/x - Step 3: Cross multiply
170,931.87x = 256,472.87 × 90,950.99 - Step 4: Simplify right side
170,931.87x = 23,326,459,697.52 - Step 5: Solve for x
x = 23,326,459,697.52/170,931.87 - Step 6: Final answer
x = 136,466.42
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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.