Finding the Fourth Proportional to 291,647.99, 437,533.04 and 123,168.80
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Solution
The fourth proportional to 291,647.99, 437,533.04 and 123,168.80 is: 184,778.99
Step by Step Solution
- Step 1: Write the proportion equation
291,647.99 : 437,533.04 = 123,168.80 : x - Step 2: Convert to fraction form
291,647.99/437,533.04 = 123,168.80/x - Step 3: Cross multiply
291,647.99x = 437,533.04 × 123,168.80 - Step 4: Simplify right side
291,647.99x = 53,890,420,898.91 - Step 5: Solve for x
x = 53,890,420,898.91/291,647.99 - Step 6: Final answer
x = 184,778.99
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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.