Finding the Fourth Proportional to 447,537.60, 617,613.12 and 243,599.52
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Solution
The fourth proportional to 447,537.60, 617,613.12 and 243,599.52 is: 336,173.45
Step by Step Solution
- Step 1: Write the proportion equation
447,537.60 : 617,613.12 = 243,599.52 : x - Step 2: Convert to fraction form
447,537.60/617,613.12 = 243,599.52/x - Step 3: Cross multiply
447,537.60x = 617,613.12 × 243,599.52 - Step 4: Simplify right side
447,537.60x = 150,450,259,577.70 - Step 5: Solve for x
x = 150,450,259,577.70/447,537.60 - Step 6: Final answer
x = 336,173.45
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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.