Finding the Fourth Proportional to 447,146.48, 670,725.12 and 177,340.88
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Solution
The fourth proportional to 447,146.48, 670,725.12 and 177,340.88 is: 266,013.46
Step by Step Solution
- Step 1: Write the proportion equation
447,146.48 : 670,725.12 = 177,340.88 : x - Step 2: Convert to fraction form
447,146.48/670,725.12 = 177,340.88/x - Step 3: Cross multiply
447,146.48x = 670,725.12 × 177,340.88 - Step 4: Simplify right side
447,146.48x = 118,946,983,018.91 - Step 5: Solve for x
x = 118,946,983,018.91/447,146.48 - Step 6: Final answer
x = 266,013.46
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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.