Finding the Fourth Proportional to 447,910.10, 672,124.35 and 167,455.70
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Solution
The fourth proportional to 447,910.10, 672,124.35 and 167,455.70 is: 251,280.45
Step by Step Solution
- Step 1: Write the proportion equation
447,910.10 : 672,124.35 = 167,455.70 : x - Step 2: Convert to fraction form
447,910.10/672,124.35 = 167,455.70/x - Step 3: Cross multiply
447,910.10x = 672,124.35 × 167,455.70 - Step 4: Simplify right side
447,910.10x = 112,551,053,516.30 - Step 5: Solve for x
x = 112,551,053,516.30/447,910.10 - Step 6: Final answer
x = 251,280.45
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1.5x scale
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.