Finding the Fourth Proportional to 239,427.90, 330,430.19 and 132,008.13
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Solution
The fourth proportional to 239,427.90, 330,430.19 and 132,008.13 is: 182,182.07
Step by Step Solution
- Step 1: Write the proportion equation
239,427.90 : 330,430.19 = 132,008.13 : x - Step 2: Convert to fraction form
239,427.90/330,430.19 = 132,008.13/x - Step 3: Cross multiply
239,427.90x = 330,430.19 × 132,008.13 - Step 4: Simplify right side
239,427.90x = 43,619,470,817.40 - Step 5: Solve for x
x = 43,619,470,817.40/239,427.90 - Step 6: Final answer
x = 182,182.07
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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.