Finding the Fourth Proportional to 338,933.19, 507,780.12 and 158,687.94
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Solution
The fourth proportional to 338,933.19, 507,780.12 and 158,687.94 is: 237,741.78
Step by Step Solution
- Step 1: Write the proportion equation
338,933.19 : 507,780.12 = 158,687.94 : x - Step 2: Convert to fraction form
338,933.19/507,780.12 = 158,687.94/x - Step 3: Cross multiply
338,933.19x = 507,780.12 × 158,687.94 - Step 4: Simplify right side
338,933.19x = 80,578,581,215.75 - Step 5: Solve for x
x = 80,578,581,215.75/338,933.19 - Step 6: Final answer
x = 237,741.78
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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.