Finding the Fourth Proportional to 84,363.84, 126,285.12 and 46,317.96
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Solution
The fourth proportional to 84,363.84, 126,285.12 and 46,317.96 is: 69,333.84
Step by Step Solution
- Step 1: Write the proportion equation
84,363.84 : 126,285.12 = 46,317.96 : x - Step 2: Convert to fraction form
84,363.84/126,285.12 = 46,317.96/x - Step 3: Cross multiply
84,363.84x = 126,285.12 × 46,317.96 - Step 4: Simplify right side
84,363.84x = 5,849,269,136.76 - Step 5: Solve for x
x = 5,849,269,136.76/84,363.84 - Step 6: Final answer
x = 69,333.84
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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.