Finding the Fourth Proportional to 178,312.68, 246,047.94 and 106,678.44
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Solution
The fourth proportional to 178,312.68, 246,047.94 and 106,678.44 is: 147,202.15
Step by Step Solution
- Step 1: Write the proportion equation
178,312.68 : 246,047.94 = 106,678.44 : x - Step 2: Convert to fraction form
178,312.68/246,047.94 = 106,678.44/x - Step 3: Cross multiply
178,312.68x = 246,047.94 × 106,678.44 - Step 4: Simplify right side
178,312.68x = 26,248,010,404.41 - Step 5: Solve for x
x = 26,248,010,404.41/178,312.68 - Step 6: Final answer
x = 147,202.15
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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.