Finding the Fourth Proportional to 286,895.10, 430,061.94 and 106,848.42
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Solution
The fourth proportional to 286,895.10, 430,061.94 and 106,848.42 is: 160,168.09
Step by Step Solution
- Step 1: Write the proportion equation
286,895.10 : 430,061.94 = 106,848.42 : x - Step 2: Convert to fraction form
286,895.10/430,061.94 = 106,848.42/x - Step 3: Cross multiply
286,895.10x = 430,061.94 × 106,848.42 - Step 4: Simplify right side
286,895.10x = 45,951,438,791.13 - Step 5: Solve for x
x = 45,951,438,791.13/286,895.10 - Step 6: Final answer
x = 160,168.09
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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.