Finding the Fourth Proportional to 239,354.09, 330,306.99 and 131,924.18
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Solution
The fourth proportional to 239,354.09, 330,306.99 and 131,924.18 is: 182,054.46
Step by Step Solution
- Step 1: Write the proportion equation
239,354.09 : 330,306.99 = 131,924.18 : x - Step 2: Convert to fraction form
239,354.09/330,306.99 = 131,924.18/x - Step 3: Cross multiply
239,354.09x = 330,306.99 × 131,924.18 - Step 4: Simplify right side
239,354.09x = 43,575,478,804.02 - Step 5: Solve for x
x = 43,575,478,804.02/239,354.09 - Step 6: Final answer
x = 182,054.46
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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.