Finding the Fourth Proportional to 187,400.86, 281,193.62 and 87,567.95
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Solution
The fourth proportional to 187,400.86, 281,193.62 and 87,567.95 is: 131,395.07
Step by Step Solution
- Step 1: Write the proportion equation
187,400.86 : 281,193.62 = 87,567.95 : x - Step 2: Convert to fraction form
187,400.86/281,193.62 = 87,567.95/x - Step 3: Cross multiply
187,400.86x = 281,193.62 × 87,567.95 - Step 4: Simplify right side
187,400.86x = 24,623,549,075.40 - Step 5: Solve for x
x = 24,623,549,075.40/187,400.86 - Step 6: Final answer
x = 131,395.07
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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.