Finding the Fourth Proportional to 439,610.78, 659,271.57 and 155,249.75
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Solution
The fourth proportional to 439,610.78, 659,271.57 and 155,249.75 is: 232,823.55
Step by Step Solution
- Step 1: Write the proportion equation
439,610.78 : 659,271.57 = 155,249.75 : x - Step 2: Convert to fraction form
439,610.78/659,271.57 = 155,249.75/x - Step 3: Cross multiply
439,610.78x = 659,271.57 × 155,249.75 - Step 4: Simplify right side
439,610.78x = 102,351,743,128.25 - Step 5: Solve for x
x = 102,351,743,128.25/439,610.78 - Step 6: Final answer
x = 232,823.55
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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.