Finding the Fourth Proportional to 453,721.11, 680,529.82 and 121,323.03
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Solution
The fourth proportional to 453,721.11, 680,529.82 and 121,323.03 is: 181,970.68
Step by Step Solution
- Step 1: Write the proportion equation
453,721.11 : 680,529.82 = 121,323.03 : x - Step 2: Convert to fraction form
453,721.11/680,529.82 = 121,323.03/x - Step 3: Cross multiply
453,721.11x = 680,529.82 × 121,323.03 - Step 4: Simplify right side
453,721.11x = 82,563,939,767.75 - Step 5: Solve for x
x = 82,563,939,767.75/453,721.11 - Step 6: Final answer
x = 181,970.68
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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.