Finding the Fourth Proportional to 105,220.00, 145,202.73 and 57,473.38
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Solution
The fourth proportional to 105,220.00, 145,202.73 and 57,473.38 is: 79,312.79
Step by Step Solution
- Step 1: Write the proportion equation
105,220.00 : 145,202.73 = 57,473.38 : x - Step 2: Convert to fraction form
105,220.00/145,202.73 = 57,473.38/x - Step 3: Cross multiply
105,220.00x = 145,202.73 × 57,473.38 - Step 4: Simplify right side
105,220.00x = 8,345,290,952.31 - Step 5: Solve for x
x = 8,345,290,952.31/105,220.00 - Step 6: Final answer
x = 79,312.79
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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.