Finding the Fourth Proportional to 499,623.87, 749,428.84 and 120,541.42
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Solution
The fourth proportional to 499,623.87, 749,428.84 and 120,541.42 is: 180,810.45
Step by Step Solution
- Step 1: Write the proportion equation
499,623.87 : 749,428.84 = 120,541.42 : x - Step 2: Convert to fraction form
499,623.87/749,428.84 = 120,541.42/x - Step 3: Cross multiply
499,623.87x = 749,428.84 × 120,541.42 - Step 4: Simplify right side
499,623.87x = 90,337,214,079.79 - Step 5: Solve for x
x = 90,337,214,079.79/499,623.87 - Step 6: Final answer
x = 180,810.45
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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.