Finding the Fourth Proportional to 178,669.35, 246,564.20 and 98,102.09
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Solution
The fourth proportional to 178,669.35, 246,564.20 and 98,102.09 is: 135,381.16
Step by Step Solution
- Step 1: Write the proportion equation
178,669.35 : 246,564.20 = 98,102.09 : x - Step 2: Convert to fraction form
178,669.35/246,564.20 = 98,102.09/x - Step 3: Cross multiply
178,669.35x = 246,564.20 × 98,102.09 - Step 4: Simplify right side
178,669.35x = 24,188,463,339.18 - Step 5: Solve for x
x = 24,188,463,339.18/178,669.35 - Step 6: Final answer
x = 135,381.16
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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.