Finding the Fourth Proportional to 178,697.34, 246,341.86 and 127,619.96
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Solution
The fourth proportional to 178,697.34, 246,341.86 and 127,619.96 is: 175,929.52
Step by Step Solution
- Step 1: Write the proportion equation
178,697.34 : 246,341.86 = 127,619.96 : x - Step 2: Convert to fraction form
178,697.34/246,341.86 = 127,619.96/x - Step 3: Cross multiply
178,697.34x = 246,341.86 × 127,619.96 - Step 4: Simplify right side
178,697.34x = 31,438,136,768.77 - Step 5: Solve for x
x = 31,438,136,768.77/178,697.34 - Step 6: Final answer
x = 175,929.52
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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.