Finding the Fourth Proportional to 508,823.53, 763,256.04 and 129,754.09
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Solution
The fourth proportional to 508,823.53, 763,256.04 and 129,754.09 is: 194,636.42
Step by Step Solution
- Step 1: Write the proportion equation
508,823.53 : 763,256.04 = 129,754.09 : x - Step 2: Convert to fraction form
508,823.53/763,256.04 = 129,754.09/x - Step 3: Cross multiply
508,823.53x = 763,256.04 × 129,754.09 - Step 4: Simplify right side
508,823.53x = 99,035,589,090.92 - Step 5: Solve for x
x = 99,035,589,090.92/508,823.53 - Step 6: Final answer
x = 194,636.42
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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.