Finding the Fourth Proportional to 447,689.08, 617,773.26 and 256,658.68
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Solution
The fourth proportional to 447,689.08, 617,773.26 and 256,658.68 is: 354,167.38
Step by Step Solution
- Step 1: Write the proportion equation
447,689.08 : 617,773.26 = 256,658.68 : x - Step 2: Convert to fraction form
447,689.08/617,773.26 = 256,658.68/x - Step 3: Cross multiply
447,689.08x = 617,773.26 × 256,658.68 - Step 4: Simplify right side
447,689.08x = 158,556,869,450.90 - Step 5: Solve for x
x = 158,556,869,450.90/447,689.08 - Step 6: Final answer
x = 354,167.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.