Finding the Fourth Proportional to 291,640.08, 437,521.12 and 123,160.80
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Solution
The fourth proportional to 291,640.08, 437,521.12 and 123,160.80 is: 184,766.96
Step by Step Solution
- Step 1: Write the proportion equation
291,640.08 : 437,521.12 = 123,160.80 : x - Step 2: Convert to fraction form
291,640.08/437,521.12 = 123,160.80/x - Step 3: Cross multiply
291,640.08x = 437,521.12 × 123,160.80 - Step 4: Simplify right side
291,640.08x = 53,885,451,156.10 - Step 5: Solve for x
x = 53,885,451,156.10/291,640.08 - Step 6: Final answer
x = 184,766.96
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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.