Finding the Fourth Proportional to 239,779.05, 330,895.12 and 132,349.11
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Solution
The fourth proportional to 239,779.05, 330,895.12 and 132,349.11 is: 182,641.79
Step by Step Solution
- Step 1: Write the proportion equation
239,779.05 : 330,895.12 = 132,349.11 : x - Step 2: Convert to fraction form
239,779.05/330,895.12 = 132,349.11/x - Step 3: Cross multiply
239,779.05x = 330,895.12 × 132,349.11 - Step 4: Simplify right side
239,779.05x = 43,793,674,635.34 - Step 5: Solve for x
x = 43,793,674,635.34/239,779.05 - Step 6: Final answer
x = 182,641.79
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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.