Finding the Fourth Proportional to 415,332.99, 623,045.97 and 131,064.01
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Solution
The fourth proportional to 415,332.99, 623,045.97 and 131,064.01 is: 196,610.68
Step by Step Solution
- Step 1: Write the proportion equation
415,332.99 : 623,045.97 = 131,064.01 : x - Step 2: Convert to fraction form
415,332.99/623,045.97 = 131,064.01/x - Step 3: Cross multiply
415,332.99x = 623,045.97 × 131,064.01 - Step 4: Simplify right side
415,332.99x = 81,658,901,684.92 - Step 5: Solve for x
x = 81,658,901,684.92/415,332.99 - Step 6: Final answer
x = 196,610.68
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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.