Finding the Fourth Proportional to 178,405.08, 246,196.98 and 102,951.96
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Solution
The fourth proportional to 178,405.08, 246,196.98 and 102,951.96 is: 142,072.53
Step by Step Solution
- Step 1: Write the proportion equation
178,405.08 : 246,196.98 = 102,951.96 : x - Step 2: Convert to fraction form
178,405.08/246,196.98 = 102,951.96/x - Step 3: Cross multiply
178,405.08x = 246,196.98 × 102,951.96 - Step 4: Simplify right side
178,405.08x = 25,346,461,637.08 - Step 5: Solve for x
x = 25,346,461,637.08/178,405.08 - Step 6: Final answer
x = 142,072.53
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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.