Finding the Fourth Proportional to 874,248.86, 1,311,447.07 and 243,162.68
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Solution
The fourth proportional to 874,248.86, 1,311,447.07 and 243,162.68 is: 364,764.53
Step by Step Solution
- Step 1: Write the proportion equation
874,248.86 : 1,311,447.07 = 243,162.68 : x - Step 2: Convert to fraction form
874,248.86/1,311,447.07 = 243,162.68/x - Step 3: Cross multiply
874,248.86x = 1,311,447.07 × 243,162.68 - Step 4: Simplify right side
874,248.86x = 318,894,977,966.07 - Step 5: Solve for x
x = 318,894,977,966.07/874,248.86 - Step 6: Final answer
x = 364,764.53
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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.