Finding the Fourth Proportional to 452,789.24, 679,207.11 and 115,832.81
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Solution
The fourth proportional to 452,789.24, 679,207.11 and 115,832.81 is: 173,755.16
Step by Step Solution
- Step 1: Write the proportion equation
452,789.24 : 679,207.11 = 115,832.81 : x - Step 2: Convert to fraction form
452,789.24/679,207.11 = 115,832.81/x - Step 3: Cross multiply
452,789.24x = 679,207.11 × 115,832.81 - Step 4: Simplify right side
452,789.24x = 78,674,464,727.24 - Step 5: Solve for x
x = 78,674,464,727.24/452,789.24 - Step 6: Final answer
x = 173,755.16
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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.