Finding the Fourth Proportional to 239,184.78, 330,062.84 and 131,752.50
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Solution
The fourth proportional to 239,184.78, 330,062.84 and 131,752.50 is: 181,811.75
Step by Step Solution
- Step 1: Write the proportion equation
239,184.78 : 330,062.84 = 131,752.50 : x - Step 2: Convert to fraction form
239,184.78/330,062.84 = 131,752.50/x - Step 3: Cross multiply
239,184.78x = 330,062.84 × 131,752.50 - Step 4: Simplify right side
239,184.78x = 43,486,604,327.10 - Step 5: Solve for x
x = 43,486,604,327.10/239,184.78 - Step 6: Final answer
x = 181,811.75
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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.