Finding the Fourth Proportional to 339,153.75, 508,741.49 and 170,582.07
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Solution
The fourth proportional to 339,153.75, 508,741.49 and 170,582.07 is: 255,878.57
Step by Step Solution
- Step 1: Write the proportion equation
339,153.75 : 508,741.49 = 170,582.07 : x - Step 2: Convert to fraction form
339,153.75/508,741.49 = 170,582.07/x - Step 3: Cross multiply
339,153.75x = 508,741.49 × 170,582.07 - Step 4: Simplify right side
339,153.75x = 86,782,176,459.08 - Step 5: Solve for x
x = 86,782,176,459.08/339,153.75 - Step 6: Final answer
x = 255,878.57
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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.