Finding the Fourth Proportional to 149,203.36, 205,888.08 and 85,526.56
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Solution
The fourth proportional to 149,203.36, 205,888.08 and 85,526.56 is: 118,019.45
Step by Step Solution
- Step 1: Write the proportion equation
149,203.36 : 205,888.08 = 85,526.56 : x - Step 2: Convert to fraction form
149,203.36/205,888.08 = 85,526.56/x - Step 3: Cross multiply
149,203.36x = 205,888.08 × 85,526.56 - Step 4: Simplify right side
149,203.36x = 17,608,899,227.40 - Step 5: Solve for x
x = 17,608,899,227.40/149,203.36 - Step 6: Final answer
x = 118,019.45
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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.