Finding the Fourth Proportional to 618,779.60, 928,170.19 and 169,504.42
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Solution
The fourth proportional to 618,779.60, 928,170.19 and 169,504.42 is: 254,256.85
Step by Step Solution
- Step 1: Write the proportion equation
618,779.60 : 928,170.19 = 169,504.42 : x - Step 2: Convert to fraction form
618,779.60/928,170.19 = 169,504.42/x - Step 3: Cross multiply
618,779.60x = 928,170.19 × 169,504.42 - Step 4: Simplify right side
618,779.60x = 157,328,949,717.24 - Step 5: Solve for x
x = 157,328,949,717.24/618,779.60 - Step 6: Final answer
x = 254,256.85
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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.