Finding the Fourth Proportional to 292,609.64, 403,817.72 and 171,785.99
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Solution
The fourth proportional to 292,609.64, 403,817.72 and 171,785.99 is: 237,074.30
Step by Step Solution
- Step 1: Write the proportion equation
292,609.64 : 403,817.72 = 171,785.99 : x - Step 2: Convert to fraction form
292,609.64/403,817.72 = 171,785.99/x - Step 3: Cross multiply
292,609.64x = 403,817.72 × 171,785.99 - Step 4: Simplify right side
292,609.64x = 69,370,223,931.72 - Step 5: Solve for x
x = 69,370,223,931.72/292,609.64 - Step 6: Final answer
x = 237,074.30
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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.