Finding the Fourth Proportional to 343,767.06, 474,403.60 and 190,815.10
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Solution
The fourth proportional to 343,767.06, 474,403.60 and 190,815.10 is: 263,327.65
Step by Step Solution
- Step 1: Write the proportion equation
343,767.06 : 474,403.60 = 190,815.10 : x - Step 2: Convert to fraction form
343,767.06/474,403.60 = 190,815.10/x - Step 3: Cross multiply
343,767.06x = 474,403.60 × 190,815.10 - Step 4: Simplify right side
343,767.06x = 90,523,370,374.36 - Step 5: Solve for x
x = 90,523,370,374.36/343,767.06 - Step 6: Final answer
x = 263,327.65
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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.