Finding the Fourth Proportional to 338,927.21, 508,394.73 and 102,271.94
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Solution
The fourth proportional to 338,927.21, 508,394.73 and 102,271.94 is: 153,409.09
Step by Step Solution
- Step 1: Write the proportion equation
338,927.21 : 508,394.73 = 102,271.94 : x - Step 2: Convert to fraction form
338,927.21/508,394.73 = 102,271.94/x - Step 3: Cross multiply
338,927.21x = 508,394.73 × 102,271.94 - Step 4: Simplify right side
338,927.21x = 51,994,515,322.88 - Step 5: Solve for x
x = 51,994,515,322.88/338,927.21 - Step 6: Final answer
x = 153,409.09
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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.