Finding the Fourth Proportional to 358,099.73, 537,184.68 and 130,457.23
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Solution
The fourth proportional to 358,099.73, 537,184.68 and 130,457.23 is: 195,698.63
Step by Step Solution
- Step 1: Write the proportion equation
358,099.73 : 537,184.68 = 130,457.23 : x - Step 2: Convert to fraction form
358,099.73/537,184.68 = 130,457.23/x - Step 3: Cross multiply
358,099.73x = 537,184.68 × 130,457.23 - Step 4: Simplify right side
358,099.73x = 70,079,627,641.46 - Step 5: Solve for x
x = 70,079,627,641.46/358,099.73 - Step 6: Final answer
x = 195,698.63
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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.