Finding the Fourth Proportional to 236,430.40, 326,202.88 and 155,828.96
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Solution
The fourth proportional to 236,430.40, 326,202.88 and 155,828.96 is: 214,997.12
Step by Step Solution
- Step 1: Write the proportion equation
236,430.40 : 326,202.88 = 155,828.96 : x - Step 2: Convert to fraction form
236,430.40/326,202.88 = 155,828.96/x - Step 3: Cross multiply
236,430.40x = 326,202.88 × 155,828.96 - Step 4: Simplify right side
236,430.40x = 50,831,855,539.40 - Step 5: Solve for x
x = 50,831,855,539.40/236,430.40 - Step 6: Final answer
x = 214,997.12
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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.