Finding the Fourth Proportional to 479,986.09, 662,368.11 and 265,121.54
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Solution
The fourth proportional to 479,986.09, 662,368.11 and 265,121.54 is: 365,860.71
Step by Step Solution
- Step 1: Write the proportion equation
479,986.09 : 662,368.11 = 265,121.54 : x - Step 2: Convert to fraction form
479,986.09/662,368.11 = 265,121.54/x - Step 3: Cross multiply
479,986.09x = 662,368.11 × 265,121.54 - Step 4: Simplify right side
479,986.09x = 175,608,050,058.25 - Step 5: Solve for x
x = 175,608,050,058.25/479,986.09 - Step 6: Final answer
x = 365,860.71
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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.