Finding the Fourth Proportional to 687,687.84, 1,031,483.08 and 182,237.64
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Solution
The fourth proportional to 687,687.84, 1,031,483.08 and 182,237.64 is: 273,343.56
Step by Step Solution
- Step 1: Write the proportion equation
687,687.84 : 1,031,483.08 = 182,237.64 : x - Step 2: Convert to fraction form
687,687.84/1,031,483.08 = 182,237.64/x - Step 3: Cross multiply
687,687.84x = 1,031,483.08 × 182,237.64 - Step 4: Simplify right side
687,687.84x = 187,975,042,199.13 - Step 5: Solve for x
x = 187,975,042,199.13/687,687.84 - Step 6: Final answer
x = 273,343.56
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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.