Finding the Fourth Proportional to 687,713.99, 1,031,522.18 and 182,263.73
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Solution
The fourth proportional to 687,713.99, 1,031,522.18 and 182,263.73 is: 273,382.65
Step by Step Solution
- Step 1: Write the proportion equation
687,713.99 : 1,031,522.18 = 182,263.73 : x - Step 2: Convert to fraction form
687,713.99/1,031,522.18 = 182,263.73/x - Step 3: Cross multiply
687,713.99x = 1,031,522.18 × 182,263.73 - Step 4: Simplify right side
687,713.99x = 188,009,074,035.60 - Step 5: Solve for x
x = 188,009,074,035.60/687,713.99 - Step 6: Final answer
x = 273,382.65
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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.