Finding the Fourth Proportional to 318,170.34, 439,083.54 and 174,934.08
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Solution
The fourth proportional to 318,170.34, 439,083.54 and 174,934.08 is: 241,413.69
Step by Step Solution
- Step 1: Write the proportion equation
318,170.34 : 439,083.54 = 174,934.08 : x - Step 2: Convert to fraction form
318,170.34/439,083.54 = 174,934.08/x - Step 3: Cross multiply
318,170.34x = 439,083.54 × 174,934.08 - Step 4: Simplify right side
318,170.34x = 76,810,675,113.04 - Step 5: Solve for x
x = 76,810,675,113.04/318,170.34 - Step 6: Final answer
x = 241,413.69
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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.