Finding the Fourth Proportional to 236,157.36, 354,237.64 and 86,336.02
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Solution
The fourth proportional to 236,157.36, 354,237.64 and 86,336.02 is: 129,504.61
Step by Step Solution
- Step 1: Write the proportion equation
236,157.36 : 354,237.64 = 86,336.02 : x - Step 2: Convert to fraction form
236,157.36/354,237.64 = 86,336.02/x - Step 3: Cross multiply
236,157.36x = 354,237.64 × 86,336.02 - Step 4: Simplify right side
236,157.36x = 30,583,467,971.79 - Step 5: Solve for x
x = 30,583,467,971.79/236,157.36 - Step 6: Final answer
x = 129,504.61
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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.