Finding the Fourth Proportional to 414,549.05, 621,754.02 and 115,060.06
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Solution
The fourth proportional to 414,549.05, 621,754.02 and 115,060.06 is: 172,570.78
Step by Step Solution
- Step 1: Write the proportion equation
414,549.05 : 621,754.02 = 115,060.06 : x - Step 2: Convert to fraction form
414,549.05/621,754.02 = 115,060.06/x - Step 3: Cross multiply
414,549.05x = 621,754.02 × 115,060.06 - Step 4: Simplify right side
414,549.05x = 71,539,051,162.37 - Step 5: Solve for x
x = 71,539,051,162.37/414,549.05 - Step 6: Final answer
x = 172,570.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.