Finding the Fourth Proportional to 449,248.18, 673,968.96 and 129,397.84
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Solution
The fourth proportional to 449,248.18, 673,968.96 and 129,397.84 is: 194,124.61
Step by Step Solution
- Step 1: Write the proportion equation
449,248.18 : 673,968.96 = 129,397.84 : x - Step 2: Convert to fraction form
449,248.18/673,968.96 = 129,397.84/x - Step 3: Cross multiply
449,248.18x = 673,968.96 × 129,397.84 - Step 4: Simplify right side
449,248.18x = 87,210,127,651.05 - Step 5: Solve for x
x = 87,210,127,651.05/449,248.18 - Step 6: Final answer
x = 194,124.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.