Finding the Fourth Proportional to 398,950.68, 550,497.36 and 229,184.76
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Solution
The fourth proportional to 398,950.68, 550,497.36 and 229,184.76 is: 316,243.62
Step by Step Solution
- Step 1: Write the proportion equation
398,950.68 : 550,497.36 = 229,184.76 : x - Step 2: Convert to fraction form
398,950.68/550,497.36 = 229,184.76/x - Step 3: Cross multiply
398,950.68x = 550,497.36 × 229,184.76 - Step 4: Simplify right side
398,950.68x = 126,165,605,332.23 - Step 5: Solve for x
x = 126,165,605,332.23/398,950.68 - Step 6: Final answer
x = 316,243.62
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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.