Finding the Fourth Proportional to 415,324.90, 623,007.14 and 201,838.47
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Solution
The fourth proportional to 415,324.90, 623,007.14 and 201,838.47 is: 302,767.31
Step by Step Solution
- Step 1: Write the proportion equation
415,324.90 : 623,007.14 = 201,838.47 : x - Step 2: Convert to fraction form
415,324.90/623,007.14 = 201,838.47/x - Step 3: Cross multiply
415,324.90x = 623,007.14 × 201,838.47 - Step 4: Simplify right side
415,324.90x = 125,746,804,591.21 - Step 5: Solve for x
x = 125,746,804,591.21/415,324.90 - Step 6: Final answer
x = 302,767.31
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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.