Finding the Fourth Proportional to 292,984.26, 439,493.55 and 113,070.63
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Solution
The fourth proportional to 292,984.26, 439,493.55 and 113,070.63 is: 169,612.57
Step by Step Solution
- Step 1: Write the proportion equation
292,984.26 : 439,493.55 = 113,070.63 : x - Step 2: Convert to fraction form
292,984.26/439,493.55 = 113,070.63/x - Step 3: Cross multiply
292,984.26x = 439,493.55 × 113,070.63 - Step 4: Simplify right side
292,984.26x = 49,693,812,579.44 - Step 5: Solve for x
x = 49,693,812,579.44/292,984.26 - Step 6: Final answer
x = 169,612.57
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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.