Finding the Fourth Proportional to 343,741.34, 474,355.91 and 190,770.65
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Solution
The fourth proportional to 343,741.34, 474,355.91 and 190,770.65 is: 263,259.53
Step by Step Solution
- Step 1: Write the proportion equation
343,741.34 : 474,355.91 = 190,770.65 : x - Step 2: Convert to fraction form
343,741.34/474,355.91 = 190,770.65/x - Step 3: Cross multiply
343,741.34x = 474,355.91 × 190,770.65 - Step 4: Simplify right side
343,741.34x = 90,493,181,956.41 - Step 5: Solve for x
x = 90,493,181,956.41/343,741.34 - Step 6: Final answer
x = 263,259.53
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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.