Finding the Fourth Proportional to 239,808.90, 330,938.58 and 132,376.62
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Solution
The fourth proportional to 239,808.90, 330,938.58 and 132,376.62 is: 182,681.00
Step by Step Solution
- Step 1: Write the proportion equation
239,808.90 : 330,938.58 = 132,376.62 : x - Step 2: Convert to fraction form
239,808.90/330,938.58 = 132,376.62/x - Step 3: Cross multiply
239,808.90x = 330,938.58 × 132,376.62 - Step 4: Simplify right side
239,808.90x = 43,808,530,648.00 - Step 5: Solve for x
x = 43,808,530,648.00/239,808.90 - Step 6: Final answer
x = 182,681.00
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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.