Finding the Fourth Proportional to 423,662.99, 635,493.93 and 108,119.90
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Solution
The fourth proportional to 423,662.99, 635,493.93 and 108,119.90 is: 162,179.70
Step by Step Solution
- Step 1: Write the proportion equation
423,662.99 : 635,493.93 = 108,119.90 : x - Step 2: Convert to fraction form
423,662.99/635,493.93 = 108,119.90/x - Step 3: Cross multiply
423,662.99x = 635,493.93 × 108,119.90 - Step 4: Simplify right side
423,662.99x = 68,709,536,984.74 - Step 5: Solve for x
x = 68,709,536,984.74/423,662.99 - Step 6: Final answer
x = 162,179.70
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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.