Finding the Fourth Proportional to 345,750.67, 518,330.18 and 132,671.49
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Solution
The fourth proportional to 345,750.67, 518,330.18 and 132,671.49 is: 198,893.72
Step by Step Solution
- Step 1: Write the proportion equation
345,750.67 : 518,330.18 = 132,671.49 : x - Step 2: Convert to fraction form
345,750.67/518,330.18 = 132,671.49/x - Step 3: Cross multiply
345,750.67x = 518,330.18 × 132,671.49 - Step 4: Simplify right side
345,750.67x = 68,767,637,624.25 - Step 5: Solve for x
x = 68,767,637,624.25/345,750.67 - Step 6: Final answer
x = 198,893.72
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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.