Finding the Fourth Proportional to 373,083.80, 559,705.68 and 120,378.76
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Solution
The fourth proportional to 373,083.80, 559,705.68 and 120,378.76 is: 180,593.95
Step by Step Solution
- Step 1: Write the proportion equation
373,083.80 : 559,705.68 = 120,378.76 : x - Step 2: Convert to fraction form
373,083.80/559,705.68 = 120,378.76/x - Step 3: Cross multiply
373,083.80x = 559,705.68 × 120,378.76 - Step 4: Simplify right side
373,083.80x = 67,376,675,723.36 - Step 5: Solve for x
x = 67,376,675,723.36/373,083.80 - Step 6: Final answer
x = 180,593.95
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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.