Finding the Fourth Proportional to 219,330.40, 328,995.60 and 114,135.70
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Solution
The fourth proportional to 219,330.40, 328,995.60 and 114,135.70 is: 171,203.55
Step by Step Solution
- Step 1: Write the proportion equation
219,330.40 : 328,995.60 = 114,135.70 : x - Step 2: Convert to fraction form
219,330.40/328,995.60 = 114,135.70/x - Step 3: Cross multiply
219,330.40x = 328,995.60 × 114,135.70 - Step 4: Simplify right side
219,330.40x = 37,550,143,102.92 - Step 5: Solve for x
x = 37,550,143,102.92/219,330.40 - Step 6: Final answer
x = 171,203.55
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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.