Finding the Fourth Proportional to 302,006.13, 453,011.92 and 91,644.06
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Solution
The fourth proportional to 302,006.13, 453,011.92 and 91,644.06 is: 137,466.92
Step by Step Solution
- Step 1: Write the proportion equation
302,006.13 : 453,011.92 = 91,644.06 : x - Step 2: Convert to fraction form
302,006.13/453,011.92 = 91,644.06/x - Step 3: Cross multiply
302,006.13x = 453,011.92 × 91,644.06 - Step 4: Simplify right side
302,006.13x = 41,515,851,577.20 - Step 5: Solve for x
x = 41,515,851,577.20/302,006.13 - Step 6: Final answer
x = 137,466.92
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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.