Finding the Fourth Proportional to 304,457.19, 420,140.53 and 168,496.84
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Solution
The fourth proportional to 304,457.19, 420,140.53 and 168,496.84 is: 232,519.89
Step by Step Solution
- Step 1: Write the proportion equation
304,457.19 : 420,140.53 = 168,496.84 : x - Step 2: Convert to fraction form
304,457.19/420,140.53 = 168,496.84/x - Step 3: Cross multiply
304,457.19x = 420,140.53 × 168,496.84 - Step 4: Simplify right side
304,457.19x = 70,792,351,660.93 - Step 5: Solve for x
x = 70,792,351,660.93/304,457.19 - Step 6: Final answer
x = 232,519.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.