Finding the Fourth Proportional to 458,536.41, 687,924.09 and 174,232.08
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Solution
The fourth proportional to 458,536.41, 687,924.09 and 174,232.08 is: 261,393.52
Step by Step Solution
- Step 1: Write the proportion equation
458,536.41 : 687,924.09 = 174,232.08 : x - Step 2: Convert to fraction form
458,536.41/687,924.09 = 174,232.08/x - Step 3: Cross multiply
458,536.41x = 687,924.09 × 174,232.08 - Step 4: Simplify right side
458,536.41x = 119,858,445,082.81 - Step 5: Solve for x
x = 119,858,445,082.81/458,536.41 - Step 6: Final answer
x = 261,393.52
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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.