Finding the Fourth Proportional to 411,455.70, 617,183.55 and 201,503.70
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Solution
The fourth proportional to 411,455.70, 617,183.55 and 201,503.70 is: 302,255.55
Step by Step Solution
- Step 1: Write the proportion equation
411,455.70 : 617,183.55 = 201,503.70 : x - Step 2: Convert to fraction form
411,455.70/617,183.55 = 201,503.70/x - Step 3: Cross multiply
411,455.70x = 617,183.55 × 201,503.70 - Step 4: Simplify right side
411,455.70x = 124,364,768,904.14 - Step 5: Solve for x
x = 124,364,768,904.14/411,455.70 - Step 6: Final answer
x = 302,255.55
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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.