Finding the Fourth Proportional to 318,352.73, 439,317.51 and 175,112.74
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Solution
The fourth proportional to 318,352.73, 439,317.51 and 175,112.74 is: 241,650.49
Step by Step Solution
- Step 1: Write the proportion equation
318,352.73 : 439,317.51 = 175,112.74 : x - Step 2: Convert to fraction form
318,352.73/439,317.51 = 175,112.74/x - Step 3: Cross multiply
318,352.73x = 439,317.51 × 175,112.74 - Step 4: Simplify right side
318,352.73x = 76,930,092,906.08 - Step 5: Solve for x
x = 76,930,092,906.08/318,352.73 - Step 6: Final answer
x = 241,650.49
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1.5x scale
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.