Finding the Fourth Proportional to 282,933.26, 390,451.16 and 155,610.98
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Solution
The fourth proportional to 282,933.26, 390,451.16 and 155,610.98 is: 214,744.95
Step by Step Solution
- Step 1: Write the proportion equation
282,933.26 : 390,451.16 = 155,610.98 : x - Step 2: Convert to fraction form
282,933.26/390,451.16 = 155,610.98/x - Step 3: Cross multiply
282,933.26x = 390,451.16 × 155,610.98 - Step 4: Simplify right side
282,933.26x = 60,758,487,649.74 - Step 5: Solve for x
x = 60,758,487,649.74/282,933.26 - Step 6: Final answer
x = 214,744.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.