Finding the Fourth Proportional to 239,598.23, 330,751.83 and 154,756.67
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Solution
The fourth proportional to 239,598.23, 330,751.83 and 154,756.67 is: 213,632.85
Step by Step Solution
- Step 1: Write the proportion equation
239,598.23 : 330,751.83 = 154,756.67 : x - Step 2: Convert to fraction form
239,598.23/330,751.83 = 154,756.67/x - Step 3: Cross multiply
239,598.23x = 330,751.83 × 154,756.67 - Step 4: Simplify right side
239,598.23x = 51,186,051,807.21 - Step 5: Solve for x
x = 51,186,051,807.21/239,598.23 - Step 6: Final answer
x = 213,632.85
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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.