Finding the Fourth Proportional to 330,840.49, 496,309.95 and 153,365.44
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Solution
The fourth proportional to 330,840.49, 496,309.95 and 153,365.44 is: 230,070.97
Step by Step Solution
- Step 1: Write the proportion equation
330,840.49 : 496,309.95 = 153,365.44 : x - Step 2: Convert to fraction form
330,840.49/496,309.95 = 153,365.44/x - Step 3: Cross multiply
330,840.49x = 496,309.95 × 153,365.44 - Step 4: Simplify right side
330,840.49x = 76,116,793,858.13 - Step 5: Solve for x
x = 76,116,793,858.13/330,840.49 - Step 6: Final answer
x = 230,070.97
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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.