Finding the Fourth Proportional to 239,827.98, 330,965.30 and 132,398.08
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Solution
The fourth proportional to 239,827.98, 330,965.30 and 132,398.08 is: 182,710.83
Step by Step Solution
- Step 1: Write the proportion equation
239,827.98 : 330,965.30 = 132,398.08 : x - Step 2: Convert to fraction form
239,827.98/330,965.30 = 132,398.08/x - Step 3: Cross multiply
239,827.98x = 330,965.30 × 132,398.08 - Step 4: Simplify right side
239,827.98x = 43,819,170,266.62 - Step 5: Solve for x
x = 43,819,170,266.62/239,827.98 - Step 6: Final answer
x = 182,710.83
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1.5x scale
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.