Finding the Fourth Proportional to 178,490.70, 246,309.01 and 97,916.49
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Solution
The fourth proportional to 178,490.70, 246,309.01 and 97,916.49 is: 135,120.28
Step by Step Solution
- Step 1: Write the proportion equation
178,490.70 : 246,309.01 = 97,916.49 : x - Step 2: Convert to fraction form
178,490.70/246,309.01 = 97,916.49/x - Step 3: Cross multiply
178,490.70x = 246,309.01 × 97,916.49 - Step 4: Simplify right side
178,490.70x = 24,117,713,714.57 - Step 5: Solve for x
x = 24,117,713,714.57/178,490.70 - Step 6: Final answer
x = 135,120.28
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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.