Finding the Fourth Proportional to 447,243.84, 670,887.36 and 131,703.84
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Solution
The fourth proportional to 447,243.84, 670,887.36 and 131,703.84 is: 197,562.12
Step by Step Solution
- Step 1: Write the proportion equation
447,243.84 : 670,887.36 = 131,703.84 : x - Step 2: Convert to fraction form
447,243.84/670,887.36 = 131,703.84/x - Step 3: Cross multiply
447,243.84x = 670,887.36 × 131,703.84 - Step 4: Simplify right side
447,243.84x = 88,358,441,519.46 - Step 5: Solve for x
x = 88,358,441,519.46/447,243.84 - Step 6: Final answer
x = 197,562.12
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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.