Finding the Fourth Proportional to 161,307.36, 241,970.58 and 48,991.32
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Solution
The fourth proportional to 161,307.36, 241,970.58 and 48,991.32 is: 73,489.88
Step by Step Solution
- Step 1: Write the proportion equation
161,307.36 : 241,970.58 = 48,991.32 : x - Step 2: Convert to fraction form
161,307.36/241,970.58 = 48,991.32/x - Step 3: Cross multiply
161,307.36x = 241,970.58 × 48,991.32 - Step 4: Simplify right side
161,307.36x = 11,854,458,115.37 - Step 5: Solve for x
x = 11,854,458,115.37/161,307.36 - Step 6: Final answer
x = 73,489.88
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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.