Finding the Fourth Proportional to 447,619.82, 671,423.58 and 194,894.88
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Solution
The fourth proportional to 447,619.82, 671,423.58 and 194,894.88 is: 292,339.65
Step by Step Solution
- Step 1: Write the proportion equation
447,619.82 : 671,423.58 = 194,894.88 : x - Step 2: Convert to fraction form
447,619.82/671,423.58 = 194,894.88/x - Step 3: Cross multiply
447,619.82x = 671,423.58 × 194,894.88 - Step 4: Simplify right side
447,619.82x = 130,857,021,200.57 - Step 5: Solve for x
x = 130,857,021,200.57/447,619.82 - Step 6: Final answer
x = 292,339.65
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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.