Finding the Fourth Proportional to 219,515.12, 329,207.64 and 93,153.68
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Solution
The fourth proportional to 219,515.12, 329,207.64 and 93,153.68 is: 139,702.92
Step by Step Solution
- Step 1: Write the proportion equation
219,515.12 : 329,207.64 = 93,153.68 : x - Step 2: Convert to fraction form
219,515.12/329,207.64 = 93,153.68/x - Step 3: Cross multiply
219,515.12x = 329,207.64 × 93,153.68 - Step 4: Simplify right side
219,515.12x = 30,666,903,150.12 - Step 5: Solve for x
x = 30,666,903,150.12/219,515.12 - Step 6: Final answer
x = 139,702.92
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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.