Finding the Fourth Proportional to 307,491.99, 461,193.35 and 118,000.05
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Solution
The fourth proportional to 307,491.99, 461,193.35 and 118,000.05 is: 176,982.95
Step by Step Solution
- Step 1: Write the proportion equation
307,491.99 : 461,193.35 = 118,000.05 : x - Step 2: Convert to fraction form
307,491.99/461,193.35 = 118,000.05/x - Step 3: Cross multiply
307,491.99x = 461,193.35 × 118,000.05 - Step 4: Simplify right side
307,491.99x = 54,420,838,359.67 - Step 5: Solve for x
x = 54,420,838,359.67/307,491.99 - Step 6: Final answer
x = 176,982.95
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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.