Finding the Fourth Proportional to 243,913.23, 365,869.84 and 160,787.79
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Solution
The fourth proportional to 243,913.23, 365,869.84 and 160,787.79 is: 241,181.68
Step by Step Solution
- Step 1: Write the proportion equation
243,913.23 : 365,869.84 = 160,787.79 : x - Step 2: Convert to fraction form
243,913.23/365,869.84 = 160,787.79/x - Step 3: Cross multiply
243,913.23x = 365,869.84 × 160,787.79 - Step 4: Simplify right side
243,913.23x = 58,827,402,599.28 - Step 5: Solve for x
x = 58,827,402,599.28/243,913.23 - Step 6: Final answer
x = 241,181.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.