Finding the Fourth Proportional to 358,561.71, 537,717.21 and 105,775.08
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Solution
The fourth proportional to 358,561.71, 537,717.21 and 105,775.08 is: 158,625.64
Step by Step Solution
- Step 1: Write the proportion equation
358,561.71 : 537,717.21 = 105,775.08 : x - Step 2: Convert to fraction form
358,561.71/537,717.21 = 105,775.08/x - Step 3: Cross multiply
358,561.71x = 537,717.21 × 105,775.08 - Step 4: Simplify right side
358,561.71x = 56,877,080,905.13 - Step 5: Solve for x
x = 56,877,080,905.13/358,561.71 - Step 6: Final answer
x = 158,625.64
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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.