Finding the Fourth Proportional to 159,539.80, 239,309.70 and 97,331.80
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Solution
The fourth proportional to 159,539.80, 239,309.70 and 97,331.80 is: 145,997.70
Step by Step Solution
- Step 1: Write the proportion equation
159,539.80 : 239,309.70 = 97,331.80 : x - Step 2: Convert to fraction form
159,539.80/239,309.70 = 97,331.80/x - Step 3: Cross multiply
159,539.80x = 239,309.70 × 97,331.80 - Step 4: Simplify right side
159,539.80x = 23,292,443,858.46 - Step 5: Solve for x
x = 23,292,443,858.46/159,539.80 - Step 6: Final answer
x = 145,997.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.