Finding the Fourth Proportional to 232,918.70, 321,420.30 and 130,948.44
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Solution
The fourth proportional to 232,918.70, 321,420.30 and 130,948.44 is: 180,704.63
Step by Step Solution
- Step 1: Write the proportion equation
232,918.70 : 321,420.30 = 130,948.44 : x - Step 2: Convert to fraction form
232,918.70/321,420.30 = 130,948.44/x - Step 3: Cross multiply
232,918.70x = 321,420.30 × 130,948.44 - Step 4: Simplify right side
232,918.70x = 42,089,486,065.78 - Step 5: Solve for x
x = 42,089,486,065.78/232,918.70 - Step 6: Final answer
x = 180,704.63
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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.