Finding the Fourth Proportional to 664,219.80, 996,329.70 and 214,973.55
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Solution
The fourth proportional to 664,219.80, 996,329.70 and 214,973.55 is: 322,460.33
Step by Step Solution
- Step 1: Write the proportion equation
664,219.80 : 996,329.70 = 214,973.55 : x - Step 2: Convert to fraction form
664,219.80/996,329.70 = 214,973.55/x - Step 3: Cross multiply
664,219.80x = 996,329.70 × 214,973.55 - Step 4: Simplify right side
664,219.80x = 214,184,532,579.44 - Step 5: Solve for x
x = 214,184,532,579.44/664,219.80 - Step 6: Final answer
x = 322,460.33
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Similar ratio
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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.