Finding the Fourth Proportional to 149,148.91, 205,779.09 and 84,607.48
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Solution
The fourth proportional to 149,148.91, 205,779.09 and 84,607.48 is: 116,732.00
Step by Step Solution
- Step 1: Write the proportion equation
149,148.91 : 205,779.09 = 84,607.48 : x - Step 2: Convert to fraction form
149,148.91/205,779.09 = 84,607.48/x - Step 3: Cross multiply
149,148.91x = 205,779.09 × 84,607.48 - Step 4: Simplify right side
149,148.91x = 17,410,450,241.59 - Step 5: Solve for x
x = 17,410,450,241.59/149,148.91 - Step 6: Final answer
x = 116,732.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.