Finding the Fourth Proportional to 449,046.72, 673,681.68 and 133,503.12
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Solution
The fourth proportional to 449,046.72, 673,681.68 and 133,503.12 is: 200,287.86
Step by Step Solution
- Step 1: Write the proportion equation
449,046.72 : 673,681.68 = 133,503.12 : x - Step 2: Convert to fraction form
449,046.72/673,681.68 = 133,503.12/x - Step 3: Cross multiply
449,046.72x = 673,681.68 × 133,503.12 - Step 4: Simplify right side
449,046.72x = 89,938,606,166.84 - Step 5: Solve for x
x = 89,938,606,166.84/449,046.72 - Step 6: Final answer
x = 200,287.86
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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.