Finding the Fourth Proportional to 452,751.86, 679,125.29 and 115,791.95
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Solution
The fourth proportional to 452,751.86, 679,125.29 and 115,791.95 is: 173,687.28
Step by Step Solution
- Step 1: Write the proportion equation
452,751.86 : 679,125.29 = 115,791.95 : x - Step 2: Convert to fraction form
452,751.86/679,125.29 = 115,791.95/x - Step 3: Cross multiply
452,751.86x = 679,125.29 × 115,791.95 - Step 4: Simplify right side
452,751.86x = 78,637,237,648.83 - Step 5: Solve for x
x = 78,637,237,648.83/452,751.86 - Step 6: Final answer
x = 173,687.28
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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.