Finding the Fourth Proportional to 452,794.39, 679,214.84 and 115,837.96
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Solution
The fourth proportional to 452,794.39, 679,214.84 and 115,837.96 is: 173,762.89
Step by Step Solution
- Step 1: Write the proportion equation
452,794.39 : 679,214.84 = 115,837.96 : x - Step 2: Convert to fraction form
452,794.39/679,214.84 = 115,837.96/x - Step 3: Cross multiply
452,794.39x = 679,214.84 × 115,837.96 - Step 4: Simplify right side
452,794.39x = 78,678,860,058.88 - Step 5: Solve for x
x = 78,678,860,058.88/452,794.39 - Step 6: Final answer
x = 173,762.89
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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.