Finding the Fourth Proportional to 343,873.18, 474,535.74 and 206,129.91
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Solution
The fourth proportional to 343,873.18, 474,535.74 and 206,129.91 is: 284,453.74
Step by Step Solution
- Step 1: Write the proportion equation
343,873.18 : 474,535.74 = 206,129.91 : x - Step 2: Convert to fraction form
343,873.18/474,535.74 = 206,129.91/x - Step 3: Cross multiply
343,873.18x = 474,535.74 × 206,129.91 - Step 4: Simplify right side
343,873.18x = 97,816,009,377.98 - Step 5: Solve for x
x = 97,816,009,377.98/343,873.18 - Step 6: Final answer
x = 284,453.74
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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.