Finding the Fourth Proportional to 343,680.48, 474,278.04 and 190,741.71
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Solution
The fourth proportional to 343,680.48, 474,278.04 and 190,741.71 is: 263,222.99
Step by Step Solution
- Step 1: Write the proportion equation
343,680.48 : 474,278.04 = 190,741.71 : x - Step 2: Convert to fraction form
343,680.48/474,278.04 = 190,741.71/x - Step 3: Cross multiply
343,680.48x = 474,278.04 × 190,741.71 - Step 4: Simplify right side
343,680.48x = 90,464,604,365.05 - Step 5: Solve for x
x = 90,464,604,365.05/343,680.48 - Step 6: Final answer
x = 263,222.99
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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.