Finding the Fourth Proportional to 103,687.30, 155,463.99 and 56,927.62
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Solution
The fourth proportional to 103,687.30, 155,463.99 and 56,927.62 is: 85,354.67
Step by Step Solution
- Step 1: Write the proportion equation
103,687.30 : 155,463.99 = 56,927.62 : x - Step 2: Convert to fraction form
103,687.30/155,463.99 = 56,927.62/x - Step 3: Cross multiply
103,687.30x = 155,463.99 × 56,927.62 - Step 4: Simplify right side
103,687.30x = 8,850,194,946.40 - Step 5: Solve for x
x = 8,850,194,946.40/103,687.30 - Step 6: Final answer
x = 85,354.67
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1.5x scale
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.