Finding the Fourth Proportional to 359,379.84, 539,121.36 and 119,412.12
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Solution
The fourth proportional to 359,379.84, 539,121.36 and 119,412.12 is: 179,135.33
Step by Step Solution
- Step 1: Write the proportion equation
359,379.84 : 539,121.36 = 119,412.12 : x - Step 2: Convert to fraction form
359,379.84/539,121.36 = 119,412.12/x - Step 3: Cross multiply
359,379.84x = 539,121.36 × 119,412.12 - Step 4: Simplify right side
359,379.84x = 64,377,624,534.88 - Step 5: Solve for x
x = 64,377,624,534.88/359,379.84 - Step 6: Final answer
x = 179,135.33
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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.