Finding the Fourth Proportional to 452,789.50, 679,207.50 and 115,833.07
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Solution
The fourth proportional to 452,789.50, 679,207.50 and 115,833.07 is: 173,755.55
Step by Step Solution
- Step 1: Write the proportion equation
452,789.50 : 679,207.50 = 115,833.07 : x - Step 2: Convert to fraction form
452,789.50/679,207.50 = 115,833.07/x - Step 3: Cross multiply
452,789.50x = 679,207.50 × 115,833.07 - Step 4: Simplify right side
452,789.50x = 78,674,689,892.03 - Step 5: Solve for x
x = 78,674,689,892.03/452,789.50 - Step 6: Final answer
x = 173,755.55
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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.