Finding the Fourth Proportional to 753,861.24, 1,130,616.63 and 221,239.26
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Solution
The fourth proportional to 753,861.24, 1,130,616.63 and 221,239.26 is: 331,807.46
Step by Step Solution
- Step 1: Write the proportion equation
753,861.24 : 1,130,616.63 = 221,239.26 : x - Step 2: Convert to fraction form
753,861.24/1,130,616.63 = 221,239.26/x - Step 3: Cross multiply
753,861.24x = 1,130,616.63 × 221,239.26 - Step 4: Simplify right side
753,861.24x = 250,136,786,564.89 - Step 5: Solve for x
x = 250,136,786,564.89/753,861.24 - Step 6: Final answer
x = 331,807.46
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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.