Finding the Fourth Proportional to 414,960.80, 621,058.80 and 365,194.40
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Solution
The fourth proportional to 414,960.80, 621,058.80 and 365,194.40 is: 546,574.99
Step by Step Solution
- Step 1: Write the proportion equation
414,960.80 : 621,058.80 = 365,194.40 : x - Step 2: Convert to fraction form
414,960.80/621,058.80 = 365,194.40/x - Step 3: Cross multiply
414,960.80x = 621,058.80 × 365,194.40 - Step 4: Simplify right side
414,960.80x = 226,807,195,830.72 - Step 5: Solve for x
x = 226,807,195,830.72/414,960.80 - Step 6: Final answer
x = 546,574.99
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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.