Finding the Fourth Proportional to 330,610.86, 456,292.88 and 201,624.17
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Solution
The fourth proportional to 330,610.86, 456,292.88 and 201,624.17 is: 278,271.77
Step by Step Solution
- Step 1: Write the proportion equation
330,610.86 : 456,292.88 = 201,624.17 : x - Step 2: Convert to fraction form
330,610.86/456,292.88 = 201,624.17/x - Step 3: Cross multiply
330,610.86x = 456,292.88 × 201,624.17 - Step 4: Simplify right side
330,610.86x = 91,999,669,917.32 - Step 5: Solve for x
x = 91,999,669,917.32/330,610.86 - Step 6: Final answer
x = 278,271.77
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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.