Finding the Fourth Proportional to 305,539.84, 458,445.12 and 118,565.44
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Solution
The fourth proportional to 305,539.84, 458,445.12 and 118,565.44 is: 177,900.69
Step by Step Solution
- Step 1: Write the proportion equation
305,539.84 : 458,445.12 = 118,565.44 : x - Step 2: Convert to fraction form
305,539.84/458,445.12 = 118,565.44/x - Step 3: Cross multiply
305,539.84x = 458,445.12 × 118,565.44 - Step 4: Simplify right side
305,539.84x = 54,355,747,368.65 - Step 5: Solve for x
x = 54,355,747,368.65/305,539.84 - Step 6: Final answer
x = 177,900.69
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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.