Finding the Fourth Proportional to 452,890.68, 679,335.56 and 115,930.79
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Solution
The fourth proportional to 452,890.68, 679,335.56 and 115,930.79 is: 173,896.07
Step by Step Solution
- Step 1: Write the proportion equation
452,890.68 : 679,335.56 = 115,930.79 : x - Step 2: Convert to fraction form
452,890.68/679,335.56 = 115,930.79/x - Step 3: Cross multiply
452,890.68x = 679,335.56 × 115,930.79 - Step 4: Simplify right side
452,890.68x = 78,755,908,145.89 - Step 5: Solve for x
x = 78,755,908,145.89/452,890.68 - Step 6: Final answer
x = 173,896.07
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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.